Calidad de vida en pacientes con tumor vesical no músculo-invasivo sometidos a tratamiento adyuvante intravesical / Quality of life in patients with non-muscle invasive bladder tumor undergoing adjuvant intravesical treatment

Introducción El objetivo del estudio fue establecer posible relación entre los tratamientos con mitomicina-C (MMC) y bacilo de Calmette-Guérin (BCG) y la afectación en la calidad de vida. Material y métodos Estudio cuasiexperimental, prospectivo y longitudinal, recogiendo pacientes sometidos a tratamiento adyuvante en TVNMI. Se utilizaron los cuestionarios Short form-12 (SF-12) y Urogenital Distress Inventory-6 (UDI-6) para medir la calidad de vida. Se compararon las puntuaciones de los cuestionarios entre casos con MMC y BCG antes de iniciar la inducción (M1), a las 4 semanas (M2) y a los dos meses (M3). Resultados Se recogieron 90 pacientes, 54 en el grupo de BCG y 36 en el de MMC. Se comprobó que los pacientes con BCG percibían peor calidad de vida física comparados con los de MMC en M2 (OR:2,59, p=0,046). Además, se hallaron cambios significativos en la calidad de vida urinaria de los pacientes en tratamiento con MMC entre los diferentes momentos temporales (puntuación del UDI-6: 33,33 en M1, 27,78 en M2 y 16,67 en M3, p=0,001). Conclusiones No existen diferencias en la calidad de vida urinaria entre los pacientes tratados con MMC y BCG. Los pacientes con MMC muestran una recuperación significativa de la calidad de vida urinaria a partir de la finalización de la inducción, que aumenta aún más a los dos meses de la misma. Además, los pacientes tratados con BCG presentan peor calidad de vida física a las 4 semanas de tratamiento que aquellos tratados con MMC (AU)

Introduction The objective of the study was to establish a possible relationship between mitomycin-C (MMC) and bacillus Calmette-Guérin (BCG) treatments and quality of life impairment. Material and methods Quasi-experimental, prospective, and longitudinal study including patients undergoing adjuvant treatment in NMIBC. The Short form-12 (SF-12) and Urogenital Distress Inventory-6 (UDI-6) questionnaires were used to measure quality of life. Questionnaire scores were compared between cases with MMC and BCG before induction (M1), at 4 weeks (M2) and at 2 months (M3). Results Of the 90 patients enrolled, 54 were in the BCG group and 36 in the MMC group. It was found that BCG patients had worse perceived physical quality of life compared to MMC patients in M2 (OR:2.59, p=0.046). In addition, significant changes were found in the urinary quality of life of patients on MMC treatment between the different time points (UDI-6 score: 33.33 in M1, 27.78 in M2 and 16.67 in M3, p=0.001). Conclusions There are no differences in urinary quality of life between patients treated with MMC and BCG. Patients with MMC show a significant recovery of urinary quality of life from the completion of the induction course, which becomes even more significant after 2 months. In addition, BCG-treated patients have worse physical quality of life after 4 weeks of treatment than those treated with MMC (AU)

Sequential Treatment With Bacillus Calmette-Güerin (BCG) and Mitomycin C Administered With Electromotive Drug Administration (EMDA) in Patients With High-Risk Nonmuscle Invasive Bladder Cancer After BCG Failure.

BACKGROUND: Nowadays, there is no standard non-surgical treatment for patients with nonmuscle invasive bladder cancer (NMIBC) in whom Bacillus Calmette-Güerin (BCG) therapy has failed. OBJECTIVES: To assess the clinical and oncological outcomes of sequential treatment with Bacillus Calmette-Guerin (BCG) and Mitomycin C (MMC) administered with Electromotive Drug Administration (EMDA) in patients with high-risk NMIBC who fail BCG immunotherapy. MATERIAL AND METHODS: We retrospectively studied patients with NMIBC who failed BCG and received alternating BCG and Mitomycin C with EMDA between 2010 and 2020. Treatment schedule consisted in an induction therapy with 6 instillations (BCG, BCG, MMC + EMDA, BCG, BCG, MMC + EMDA) and a 1-year maintenance. Complete response (CR) was defined as the absence of high-grade (HG) recurrences during follow-up, and progression was defined as the occurrence of muscle invasive or metastatic disease. CR rate was estimated at 3, 6, 12, and 24 months. Progression rate and toxicity were also assessed. RESULTS: Twenty-two patients were included with a median age of 73 years. Fifty percent of tumors were single, 90% were smaller than 1.5cm, 40% were GII (HG) and 40% were Ta. CR rate was 95.5%, 81% and 70% at 3 and 6 months, 12 months and 24 months, respectively. With a median follow-up of 28.8 months, 6 patients (27%) presented HG recurrence and only 1 patient (4.5%) progressed and ended in cystectomy. This patient died due to metastatic disease. Treatment was well tolerated and 22% of the patients presented adverse effects, being dysuria the most frequent one. CONCLUSION: Sequential treatment with BCG and Mitomycin C with EMDA achieved good responses and low toxicity in selected patients who did not respond to BCG. Only 1 patient ended in cystectomy and died due to metastatic disease, therefore, cystectomy was avoided in most cases.

Efecto de la mitomicina en comparación con la gemcitabina intravesical en el tratamiento del cáncer de vejiga sin invasión muscular: metaanálisis / Effect of intravesical mitomycin compared with gemcitabine on the treatment non-muscle invasive bladder cancer: A meta-analysis

Introducción Se realizó un metaanálisis para evaluar el efecto de la mitomicina intravesical en comparación con la gemcitabina en el tratamiento del cáncer de vejiga sin invasión muscular. Métodos Se realizó una búsqueda bibliográfica sistemática hasta noviembre de 2021 y 6 estudios incluyeron 389 sujetos con cáncer de vejiga no invasivo al músculo al inicio del estudio; 197 de ellos recibieron mitomicina intravesical y 192 gemcitabina intravesical. Se informó de las relaciones sobre el efecto de la mitomicina intravesical en comparación con la gemcitabina en el tratamiento del cáncer de vejiga no invasivo al músculo. Se calculó la odds ratio (OR) con intervalos de confianza (IC) del 95% para evaluar el efecto de la mitomicina en comparación con el de la gemcitabina intravesical en el tratamiento del cáncer de vejiga no invasivo mediante el método dicotómico con un modelo de efectos aleatorios o fijos. Resultados La mitomicina intravesical obtuvo tasas significativamente mayores de recidiva (OR: 2,41; IC 95%: 1,43-4,08; p=0,001) y de cistitis química (OR: 4,39; IC 95%: 2,27-8,51; p<0,001) en comparación con la gemcitabina intravesical en sujetos con cáncer de vejiga no invasivo. Sin embargo, la mitomicina intravesical no mostró diferencias significativas en su efecto sobre la hematuria (OR: 1,71; IC 95%: 0,68-4,33; p=0,26), reacciones cutáneas (OR, 2,04; IC 95%: 0,59-7,07; p=0,26) y daños en la función hepática y renal (OR, 1,96; IC 95%; 0,35-10,96; p=0,44) en comparación con la gemcitabina intravesical en sujetos con cáncer de vejiga no invasivo al músculo. Conclusiones La mitomicina intravesical tuvo tasas de recidiva y cistitis química significativamente mayores y no hubo diferencias significativas en su efecto sobre la hematuria, la reacción cutánea y el daño de la función hepática y renal en comparación con la gemcitabina intravesical en sujetos con cáncer de vejiga no invasivo al músculo. Se necesitan más estudios para validar estos resultados (AU)

Introduction We performed a meta-analysis to evaluate the effect of intravesical mitomycin compared with gemcitabine on the treatment of non-muscle invasive bladder cancer. Methods A systematic literature search up to November 2021 was done and 6 studies included 389 subjects with non-muscle invasive bladder cancer at the start of the study; 197 of them were provided with intravesical-mitomycin and 192 with intravesical gemcitabine. The studies reported the relationships about the effect of intravesical mitomycin compared with gemcitabine on the treatment of non-muscle invasive bladder cancer. We calculated the odds ratio (OR) with 95% confidence intervals (CIs) to assess the effect of intravesical mitomycin compared with gemcitabine on the treatment of non-muscle invasive bladder cancer using the dichotomous method with a random or fixed-effect model. Results Intravesical mitomycin had significantly higher recurrence rates (OR, 2.41; 95% CI, 1.43-4.08, P=.001) and chemical cystitis (OR, 4.39; 95% CI, 2.27-8.51, P<.001) compared to intravesical gemcitabine in subjects with non-muscle invasive bladder cancer. However, intravesical mitomycin had no significant difference in its effect on hematuria (OR, 1.71; 95% CI, .68-4.33, P=.26), skin reaction (OR, 2.04; 95% CI, .59-7.07, P=.26), and liver and kidney functions damage (OR, 1.96; 95% CI, 0.35-10.96, P=.44) compared to intravesical gemcitabine in subjects with non-muscle invasive bladder cancer. Conclusions Intravesical mitomycin had significantly higher recurrence rates and chemical cystitis and no significant difference in its effect on hematuria, skin reaction, and liver and kidney functions damage compared to intravesical gemcitabine in subjects with non-muscle invasive bladder cancer. Further studies are required to validate these findings (AU)

The clinical efficacy and safety of equipment-assisted intravesical instillation of mitomycin C after transurethral resection of bladder tumour in patients with nonmuscular invasive bladder cancer: A meta-analysis.

BACKGROUND: This review and meta-analysis aimed to systematically evaluate the clinical efficacy and safety of equipment-assisted intravesical instillation of mitomycin C (MMC) in patients with nonmuscular invasive bladder cancer (NMIBC) after transurethral resection of bladder tumour (TURBT). METHODS: The Embase, PubMed, CNKI, CBM, WANGFANG, VIP, Cochrane Library, and Clinicaltrial.com databases were searched for articles published before April 2022. The experimental group was treated with intravesical instillation of MMC assisted by equipment, including radiofrequency-induced thermochemotherapy, conductive thermochemical therapy, electromotive drug administration, or locoregional hyperthermia. The control group was treated with simple MMC perfusion. The outcomes of interest in the meta-analysis were recurrence, progression, side-effects, gross haematuria, and bladder irritation. RESULTS: A total of 15 studies that enrolled 1,190 patients were included in the meta-analysis. Compared to that of the control group, device-assisted intravesical instillation of MMC significantly reduced both tumour recurrence (odds ratio [OR] = 0.32, 95% confidence interval [CI] [0.24, 0.42], P <0.00001) and progression (OR = 0.29, 95% CI [0.12, 0.67], P = 0.004). There were no significant differences between the two groups in terms of safety (OR = 1.21, 95% CI [0.66,2.21], P = 0.54), bladder irritation (OR = 1.06, 95% CI [0.72,1.55], P = 0.78), or gross haematuria (OR = 1.11, 95% CI [0.64,1.94], P = 0.72). CONCLUSIONS: Equipment-assisted intravesical instillation of MMC significantly reduced the recurrence and progression of patients with NMIBC who underwent TURBT and improved their quality of life. Given the significant heterogeneity in research quality and sample size among earlier studies, more prospective, multicentre, large sample randomized controlled trials are needed to supplement and verify this in the future.

Encuesta sobre las preferencias quirúrgicas entre los glaucomatólogos en España / Survey of glaucoma surgical preferences among glaucoma specialists in Spain

Propósito Conocer las cirugías de glaucoma más frecuentes entre los miembros de la Sociedad Española de Glaucoma (SEG).MétodosUna encuesta anónima de 10 preguntas fue enviada a los socios de la SEG en enero, febrero y julio de 2019 para conocer sus preferencias en las cirugías de glaucoma.Variables a estudiar Edad, tipo de glaucoma, tipo de cirugía realizada, estrategia antifibrótica usada o bien implante de las últimas 10 cirugías realizadas desde la recepción de la encuesta. La experiencia del cirujano se muestra según los años de práctica.Resultados Un total de 97 oftalmólogos repartidos por toda la geografía del país respondieron la encuesta, teniendo el 63,4% más de 10 años de experiencia. El glaucoma más frecuente intervenido fue el glaucoma primario de ángulo abierto, representando un 60,6% del total. La cirugía más realizada fue la esclerectomía profunda no perforante (EPNP) con el 37,3% de las cirugías, seguida por el 17,6% de trabeculectomía, 14,1% del microshunt de colágeno (XEN® Allergan Inc., Irvine, CA) y 10,5% de dispositivos de drenaje. Un 21,7% del total fueron reintervenciones y de estas, en el 27,3% se utilizó un dispositivo de drenaje y en el 20,3% trabeculectomía. Un 47,3% de las cirugías fueron combinadas con facoemulsificación. En un 54,8% se usó únicamente mitomicina C (MMC), en un 8,2% de los casos se usó únicamente matriz de colágeno (Ologen®, Aeon Astron Corporation, Taipei, Taiwán) y en un 13,7% la combinación de MMC y matriz de colágeno. La administración de MMC aplicada en esponja se realizó en el 79% de los casos (de estos, a concentraciones de 0,02% en el 99% y al 0,04% en el 1%) y en el 21% de los casos restante mediante inyección subconjuntival (al 0,01% en el 81% y al 0,02% en el 19% restante).Conclusiones A pesar de que el cirujano de glaucoma domina una gran variedad de técnicas quirúrgicas, la EPNP sigue siendo la técnica quirúrgica más realizada en nuestro país (AU)

Purpose To evaluate the spectrum of glaucoma surgery undertaken among members of the Spanish Glaucoma Society (SEG). Methods A 10 question web-based anonymous survey was mailed through the Annals of the Spanish Glaucoma Society to all its members on January, February and July 2019 to determine their preferred surgical approach. Main outcome measures Age, type of Glaucoma, surgery undertaken, type of anti-scarring strategy and prothesis introduced for the last 10 surgeries since the survey was received. The surgeon experience was registered in years of practice. Results A total of 97 SEG members across the country answered the survey. Sixty-two (63.4%) responders had more than 10 years of experience. Primary open angle glaucoma was the most frequent type of glaucoma (60.6%). The most popular surgery was deep-sclerectomy (37.3%) followed by trabeculectomy (17.6%) and the collagen microshunt (XEN® Allergan Inc., Irvine, CA) (14.1%). Glaucoma drainage device (GDD) was used in 10.5% of the cases. Up to 21.7% of surgeries were reinterventions, where GDD was used in 27.3% and trabeculectomy in 20.3% of the cases. Glaucoma surgery was combined with phacoemulsification in 47.3% of the eyes. Mitomycin C (MMC) was used in 54.8% of the cases, collagen matrix (Ologen®, Aeon Astron Corporation, Taipei, Taiwan) was used alone in 8.2% of the cases and in 13.7% combined with MMC. MMC was used in a soaked sponge in 79% of cases (concentrations of 0.02% in 99% and 0.04% in 1%) and in 21% of cases MMC was injected subconjunctivally (concentrations of 0.01% in 81% and 0.02% in 19%) (AU)

Epiteliopatía progresiva en ondas tras neoplasia intraepitelial conjutival. Caso clínico atípico / Advancing wavelike epitheliopathy after conjunctival intraepithelial neoplasia. Atypical case report

Se presenta un caso atípico de epiteliopatía progresiva en ondas consecutiva a tratamiento tópico de una neoplasia intraepitelial conjuntival en 360°. Se usaron colirios de mitomicina (0,2mg/ml) e interferón (1MUI/ml). Presentación atípica con foco limbar principal migratorio, y no claramente delimitado en su sitio horario a través de su evolución. Tratado con flurometolona y lágrimas artificiales, con resultado de resolución completa (AU)

An atypical Advancing Wavelike Epitheliopathy case, consecutive to topical treatment for a 360° Conjunctival Intraepithelial Neoplasia, is presented. Mitomycin (0.2mg/ml) and interferon (1MUI/ml) drops were used. An atypical presentation, with migrating limbal focus, non clearly delimited in its hourly site through its evolution. Treated with flurometholone drops plus artificial tears, working to complete resolution (AU)

Continuous Saline Bladder Irrigation in Reducing Recurrence and Progression When Compared to Immediate Mitomycin- C Instillation Post- Resection of Bladder Tumor: A Short Communication.

INTRODUCTION: Intravesical chemotherapy instillation by mitomycin - C (MMC) immediately after transurethral resection of bladder tumor (TURBT), although effective in reducing the incidence of non- muscle invasive bladder cancer (NMIBC) recurrence, can result in non desirable effects like bladder irritation and hematuria . Continuous bladder irrigation with saline post resection has been studied as an alternative. In our study we  compare the rates of  NMIBC recurrence and progression in patients who were treated with either MMC or CSBI immediately after tumor resection. METHODS: We retrospectively reviewed the medical records of patients with NMIBC at our institution in Jordan university hospital in the period between 2015-2019. Postoperative instillation of MMC or CSBI for four hours was recorded. Follow up of the patients for recurrence or progression in the first 2 years after diagnosis was recorded and compared for  both groups. RESULTS: One hundred nineteen patients met inclusion criteria. Fifty four patients received MMC and 65 patients received CSBI immediately post TURBT. Kaplan-Meieranalysis for recurrence- free survival and progression- free survival didn't show a significant difference between both groups with P- value 0.88 and 0.14 respectively. CONCLUSION: Postoperative CSBI for four hours following tumor resection is equivalent to immediate postoperative MMC instillation for NMIBC in terms  of recurrence or progression rates with fewer side effects . However further  research is needed in this field .

In vitro assessment of intra-operative and post-operative environment in reducing bladder cancer recurrence.

Urinary bladder cancer is a common cancer worldwide. Currently, the modality of treating and monitoring bladder cancer is wide. Nonetheless, the high recurrence rate of non-muscle-invasive bladder cancer after surgical resection is still unsatisfactory. Hereby, our study demonstrated whether the intra-operative and post-operative environments will affect bladder cancer recurrence utilizing in vitro cell line model. Bladder cancer cell lines were submerged in four different irrigating fluids for assessing their tumorigenic properties. Our results showed that sterile water performed the best in terms of the magnitude of cytotoxicity to cell lines. Besides, we also investigated cytotoxic effects of the four irrigating agents as well as mitomycin C (MMC) in normothermic and hyperthermic conditions. We observed that sterile water and MMC had an increased cytotoxic effect to bladder cancer cell lines in hyperthermic conditions. Altogether, our results could be translated into clinical practice in the future by manipulating the intra-operative and post-operative conditions in order to lower the chance of residual cancer cells reimplant onto the bladder, which in turns, reducing the recurrence rate of bladder cancers.

Durability of Response to Primary Chemoablation of Low-Grade Upper Tract Urothelial Carcinoma Using UGN-101, a Mitomycin-Containing Reverse Thermal Gel: OLYMPUS Trial Final Report.

PURPOSE: Our goal was to evaluate long-term safety and durability of response to UGN-101, a mitomycin-containing reverse thermal gel, as primary chemoablative treatment for low-grade upper tract urothelial carcinoma. MATERIALS AND METHODS: In this open-label, single-arm, multicenter, phase 3 trial (NCT02793128), patients ≥18 years of age with primary or recurrent biopsy-proven low-grade upper tract urothelial carcinoma received 6 once-weekly instillations of UGN-101 via retrograde catheter to the renal pelvis and calyces. Those with complete response (defined as negative ureteroscopic evaluation, negative cytology and negative for-cause biopsy) 4-6 weeks after the last instillation were eligible for up to 11 monthly maintenance instillations and were followed for ≥12 months with quarterly evaluation of response durability. Durability of complete response was determined by ureteroscopic evaluation; duration of response was estimated by the Kaplan-Meier method. Treatment-emergent adverse events (TEAEs) were monitored. RESULTS: Of 71 patients who initiated treatment, 41 (58%) had complete response to induction therapy and consented to long-term followup; 23/41 patients (56%) remained in complete response after 12 months (95% CI 40, 72), comprising 6/12 (50%) who did not receive any maintenance instillations and 17/29 (59%) who received ≥1 maintenance instillation. Kaplan-Meier analysis of durability was estimated as 82% (95% CI 66, 91) at 12 months. Ureteric stenosis was the most frequently reported TEAE (31/71, 44%); an increasing number of instillations appeared to be associated with increased incidence of urinary TEAEs. CONCLUSIONS: Durability of response to UGN-101 with or without maintenance treatment is clinically meaningful, offering a kidney-sparing therapeutic alternative for patients with low-grade disease.

Anterior-segment optical coherence tomography of filtering blebs in the early postoperative period of ab externo SIBS microshunt implantation with mitomycin C: Morphological analysis and correlation with intraocular pressure reduction.

PURPOSE: To analyse the morphological evolution of filtering blebs with anterior-segment OCT (AS-OCT) and its correlation with intraocular pressure after ab externo SIBS microshunt implantation with mitomycin C (MMC) during a 3-month follow-up period. METHODS: Twenty-eight filtering blebs of 28 patients with open-angle glaucoma were measured horizontally and vertically in the sub-Tenon space with AS-OCT after ab externo SIBS microshunt implantation with MMC. The intraocular pressure (IOP) was monitored simultaneously at each visit. Maturation of and morphological changes in the blebs and correlations with the IOP were recorded. RESULTS: The average median preoperative IOP of 20.7 (range, 12-30) mmHg decreased to 8.5 (range, 4-17), 8.9 (range, 5-17), 10.4 (range, 8-16) and 10.9 (range, 9-15) mmHg at 24 hr, 1 week, 1 month and 3 months, respectively (p < 0.001). A multiform morphology on AS-OCT prevailed at all time points, with a 3.5% rate of a uniform bleb morphology at the first week. The horizontal and vertical diameters of the blebs increased from baseline to the third month. The horizontal expansion (406 ± 127 µm on day 7, p = 0.04, 712 ± 211 µm on day 30, p = 0.02 and 952 ± 218 µm on day 90, p < 0.001) was greater than the vertical expansion (16 ± 18 µm, p = 0.3 on day 1, 63 ± 27 µm, p = 0.02 on day 30 and 137 ± 34 µm, p < 0.001 on day 90) without correlation with the IOP (r = -0.3, p = 0.2). CONCLUSION: Anterior-segment OCT (AS-OCT) of the filtering blebs formed after ab externo SIBS microshunt implantation showed progressive horizontal and vertical expansion of the blebs in the sub-Tenon space, with a significant peak at the first month not significantly correlated with the decrease in the IOP.

Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Colorectal Peritoneal Metastases: A Systematic Review.

BACKGROUND: Combined treatment modality of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy is emerging as an alternative option for colorectal peritoneal metastases, but there is ambiguity regarding patient selection, treatment protocols, and efficacy. OBJECTIVE: To elaborate on the patient characteristics, hyperthermic intraperitoneal chemotherapy protocol and health outcomes in colorectal peritoneal metastases patients undergoing a combination of hyperthermic intraperitoneal chemotherapy and cytoreductive surgery and provide guidance for future studies. DATA SOURCES: A Medline search for English language studies published between 2004 and 2019. STUDY SELECTION: Medical subject headings and key terms, including: hyperthermic intraperitoneal chemotherapy, colorectal peritoneal metastases, colorectal cancer and combinations thereof as per guidelines. MAIN OUTCOME MEASURES: Overall survival, disease-free survival, and morbidity and mortality rates. RESULTS: Of the 26 included studies, 42% were published between 2016 and 2019. More than half of the studies were retrospective in nature and conducted in tertiary specialized centers outside of the United States. The median age range was 44 to 62 years. Mitomycin C-based therapy was seen in 50% of studies. Mean weighted median disease-free survival for 11 studies was 15 months (9 to 36 months). Median OS ranged from 12 to 63 months, with an average of 33.6 months among 20 studies. Overall morbidity varied from 11% to 56%, with a weighted mean of 29% in 18 studies. Mortality ranged from 0 to 34%, with a weighted mean of 4% in 15 studies. LIMITATIONS: Despite careful study selection, variability in methodology of the included studies can limit review findings. CONCLUSION: Due to study heterogeneity, and a recent large, randomized trial showing no overall benefit, use of cytoreductive surgery with hyperthermic intraperitoneal chemotherapy in colorectal peritoneal metastases patients is highly controversial. Further standardized controlled studies can help uniformly define and build consensus among the medical community on patient eligibility and the optimal hyperthermic intraperitoneal chemotherapy techniques. PROSPERO: Registered on March 3, 2020, CRD42020146942.

Efficacy of mitomycin C in modified transcanalicular diode laser dacryocystorhinostomy / Eficácia da mitomicina C na dacriocistorrinostomia transcanalicular com laser diodo modificada

ABSTRACT Objective: To evaluate the efficacy of mitomycin C in anatomical and functional success after modified transcanalicular diode laser dacryocystorhinostomy. Methods: A prospective, double-blinded, randomized placebo-controlled study compared the effect of topical mitomycin C on modified transcanalicular diode laser dacryocystorhinostomy. Group 1 had modified transcanalicular diode laser dacryocystorhinostomy with topical saline, while Group 2 had modified transcanalicular diode laser dacryocystorhinostomy with topical mitomycin C. Success was defined as anatomical patency and relief of symptoms at the end of 6 months. Results: Six months after surgery, Group 1 (30 patients) showed anatomical and functional success rates of 86.7% and 83.3%, respectively. Group 2 (32 patients) showed anatomical and functional success rates of 87.5% and 84.3%, respectively. There was no statistically significant difference between the groups 1 and 2 (p = 1.000). Conclusion: The use of mitomycin C did not improve the anatomical and functional success rates of modified transcanalicular diode laser dacryocystorhinostomy compared to placebo.

RESUMO Objetivo: Avaliar a eficácia da mitomicina C no sucesso anatômico e funcional após dacriocistorrinostomia transcanalicular com laser de diodo. Métodos: Estudo prospectivo, duplo-cego, randomizado e controlado por placebo. Comparou o efeito da mitomicina C tópica na dacriocistorrinostomia transcanalicular com laser de diodo. No Grupo 1, foi utilizada apenas solução salina tópica, enquanto no Grupo 2 foi utilizada mitomicina C tópica. O sucesso foi definido como permeabilidade da via lacrimal e alívio dos sintomas ao final de 6 meses. Resultados: Seis meses após a cirurgia, o Grupo 1 (30 pacientes) apresentou taxas de sucesso anatômico e funcional de 86,7% e 83,3%, respectivamente. O Grupo 2 (32 pacientes) apresentou taxas de sucesso anatômico e funcional de 87,5% e 84,3%, respectivamente. Não houve diferença estatística significante entre os Grupos 1 e 2 (p=1,000). Conclusão: O uso de mitomicina C não melhora as taxas de sucesso anatômico e funcional do dacriocistorrinostomia transcanalicular com laser de diodo em comparação ao placebo.

Longitudinal changes in complete avascular area assessed using anterior segmental optical coherence tomography angiography in filtering trabeculectomy bleb.

Optical coherence tomography angiography (OCTA) is a new technique for non-invasive imaging of blood vessels, allowing combined evaluation of both deep and surface vessels. The purpose of this study was to evaluate the post-trabeculectomy longitudinal changes in complete avascular area (CAA) of filtering blebs using anterior segment (AS-) OCTA and their association with surgical outcomes. This study included 57 eyes of 53 patients who had undergone trabeculectomy with mitomycin C. AS-OCTA images of filtering bleb were acquired at 3 and 6 months after trabeculectomy, and at 1 month in possible cases. CAAs, regions where complete blood flow was not depicted in AS-OCTA images, were evaluated for their presence, extent, and change over time. CAAs were detected in 37 eyes (65%) and 33 eyes (58%) at 3 and 6 months postoperatively, respectively. The extent of CAAs reduced over time after surgery in most cases. No parameters related to CAAs were significantly associated with surgical success (i.e., intraocular pressure (IOP) ≤ 12 mmHg and IOP reduction > 20% without medication). In conclusion, although it is difficult to predict surgical success by CAA itself, AS-OCTA may be useful for the objective evaluation of the vascularity of filtering blebs.

Silk Suture Granuloma 37 Years After Scleral Buckle Surgery: A Case Report.

PURPOSE: To present a rare presentation of pyogenic granuloma arising almost 4 decades after a scleral buckle for retinal detachment. METHOD: We describe the clinical presentation, diagnostic workup, and management of a suspicious conjunctival lesion in an immunocompromised patient. We report the histopathological findings and the postoperative outcome. RESULTS: A 58-year-old man with human immunodeficiency virus presented for evaluation of a possible malignant conjunctival lesion in the left eye. The patient reported that the lesion had appeared 1.5 months before presentation with significant growth over the past month. The patient denied any trauma to the eye other than an ocular history of retinal detachment repair with scleral buckle 37 years earlier. Clinical examination revealed a pink, fleshy, mobile, and lobulated conjunctival lesion measuring 7 mm by 10 mm, emanating from the superior-nasal bulbar quadrant. A high-resolution optical coherence tomography revealed highly cellular infiltrate and hyperreflective mass with significant posterior shadowing. Further exploration of the lesion revealed a white, stringy, cauliflower-like material on the underside of the lesion. Surgical excision and pathology subsequently confirmed a diagnosis of pyogenic granuloma with remnants of silk suture. CONCLUSIONS: A diagnosis of pyogenic granuloma secondary to retained silk sutures should be considered in patients with a history of intraocular surgery irrespective of other risk factors and length of time since procedure.

Sarcopenia and dosimetric parameters in relation to treatment-related leukopenia and survival in anal cancer.

BACKGROUND: Treatment-related white blood cell (WBC) toxicity has been associated with an inferior prognosis in different malignancies, including anal cancer. The aim of the present study was to investigate predictors of WBC grade ≥ 3 (G3+) toxicity during chemoradiotherapy (CRT) of anal cancer. METHODS: Consecutive patients with locally advanced (T2 ≥ 4 cm-T4 or N+) anal cancer scheduled for two cycles of concomitant 5-fluorouracil and mitomycin C chemotherapy were selected from an institutional database (n = 106). All received intensity modulated radiotherapy (IMRT; mean dose primary tumor 59.5 Gy; mean dose elective lymph nodes 45.1 Gy). Clinical data were extracted from medical records. The highest-grade WBC toxicity was recorded according to CTCAE version 5.0. Pelvic bone marrow (PBM) was retrospectively contoured and dose-volume histograms were generated. The planning CT was used to measure sarcopenia. Dosimetric, anthropometric, and clinical variables were tested for associations with WBC G3+ toxicity using the Mann-Whitney test and logistic regression. Cox proportional hazard regression was used to assess predictors for overall survival (OS) and anal cancer specific survival (ACSS). RESULTS: WBC G3+ was seen in 50.9% of the patients, and 38.7% were sarcopenic. None of the dosimetric parameters showed an association with WBC G3+ toxicity. The most significant predictor of WBC G3+ toxicity was sarcopenia (adjusted OR 4.0; P = 0.002). Sarcopenia was also associated with an inferior OS (adjusted HR 3.9; P = 0.01), but not ACSS (P = 0.07). Sensitivity analysis did not suggest that the inferior prognosis for sarcopenic patients was a consequence of reduced doses of chemotherapy or a prolonged radiation treatment time. Patients who experienced WBC G3+ toxicity had an inferior OS and ACSS, even after adjustment for sarcopenia. CONCLUSIONS: Sarcopenia was associated with increased risks of both WBC G3+ toxicity and death following CRT for locally advanced anal cancer. In this study, radiation dose to PBM was not associated with WBC G3+ toxicity. However, PBM was not used as an organ at risk for radiotherapy planning purposes and doses to PBM were high, which may have obscured any dose-response relationships.

Starting a peritoneal carcinomatosis treatment program in a developing country: A prospective analysis.

BACKGROUND: Cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) has become a valuable treatment strategy for selected patients with peritoneal carcinomatosis (PC). In Chile, it is an emerging technique. The aim of this study is to describe our protocol and report our perioperative results. METHODS: A prospectively maintained database for patients undergoing exploratory surgery for PC was reviewed. Eligible patients were selected using the peritoneal cancer index in correlation with the primary tumor. Patients underwent HIPEC using mitomycin C. Clinical data and postoperative results were analyzed. RESULTS: Seventy-six patients underwent exploratory surgery. Most patients were female (55%) with a median age of 62 years (range, 25-83). Complete CRS and HIPEC were achieved in 53 patients. The most frequent primary tumor site was colon-rectum (49%). The median number of resected organs was 4 (range, 1-13). Overall 90-day incidence of major complications was 26%. After a median follow-up of 26 months, 44 patients (83%) in the resected group were alive with no evidence of disease. CONCLUSIONS: The PC treatment program at our institution has been established in a safe manner, with acceptable morbidity comparable to high-volume centers. A comprehensive preoperative evaluation, careful patient selection, and a cohesive team are necessary for successful results.

Nephron-sparing management of upper tract urothelial carcinoma.

Urothelial carcinoma of the upper urinary tract is uncommon and presents unique challenges for diagnosis and management. Nephroureterectomy has been the preferred management option, but it is associated with significant morbidity. Nephron-sparing treatments are a valuable alternative and provide similar efficacy in select cases. A PubMed literature review was performed in English language publications using the following search terms: urothelial carcinoma, upper tract, nephron-sparing, intraluminal and systemic therapy. Contemporary papers published within the last 10 years were primarily included. Where encountered, systematic reviews and meta-analyses were given priority, as were randomized controlled trials for newer treatments. Core guidelines were referenced and citations reviewed for inclusion. A summary of epidemiological data, clinical diagnosis, staging, and treatments focusing on nephron-sparing approaches to upper tract urothelial carcinoma (UTUC) are outlined. Nephron-sparing management strategies are viable options to consider in patients with favorable features of UTUC. Adjunctive therapies are being investigated but the data remains mixed. Protocol variability and dosage differences limit statistical interpretation. New mechanisms to improve treatment dwell times in the upper tracts are being designed with promising preliminary results. Studies investigating systemic therapies are ongoing but implications for nephron-sparing management are uncertain. Nephron-sparing management is an acceptable treatment modality best suited for favorable disease. More work is needed to determine if intraluminal and/or systemic therapies can further optimize treatment outcomes beyond resection alone.

Pancytopenia after administration of hyperthermic intraperitoneal chemotherapy with mitomycin-C: local therapy and systemic toxicity.

Cytoreductive surgery (CRS) coupled with hyperthermic intraperitoneal chemotherapy (HIPEC) has become the standard of treatment for many cancers with peritoneal metastasis. Mitomycin-C (MMC), the most common chemotherapy utilized with HIPEC, is associated with neutropenia but the degree of hematologic toxicity is unclear when splenectomy is included as part of CRS with MMC. We present an interesting case of pancytopenia following treatment with HIPEC using MMC and comment on the possible role of splenectomy in exacerbating its cytotoxic effects. Our unique case highlights potential hematologic toxicity following MMC-HIPEC and splenectomy. It suggests that spleen removal may enhance toxicity profiles of chemotherapy such as MMC. Because MMC is the preferred agent of choice used in CRS-HIPEC, future studies should investigate optimal MMC dosing and patient selection when splenectomy is performed to balance survival benefit with hematologic toxicities.