A Modified of Bilateral Sagittal Split Osteotomy: Technical Note and Proposal of a Nomenclature on the Osteotomy Lines.

Bilateral sagittal split osteotomy for orthognathic surgery is the most used technique for mandible advancement or setback and has been well documented and modified over the years since Trauner and Obwegeser described it. The improvement brought by each technique allowed the surgeons to perform safer osteotomies, shorten the operative time, and increased the flexibility of the programmed mandibular movements. The authors present a modification of the bilateral sagittal osteotomy technique with the aim of making the technique easier to perform and more comfortable for the surgeon for the purpose of positioning the osteosynthesis plates and screws. Finally, the authors describe a nomenclature on the osteotomy lines of the bilateral sagittal split osteotomy.

Imaging diagnosis of a rare case of intermittent intestinal pneumatosis: A consequence of ileocecal valve clip dysfunction?

Pneumatosis intestinalis is a condition characterized by the presence of gas or air pockets within the walls of the intestines. It can occur in any section of the gastrointestinal tract but it is most commonly found in the colon. Etiology and pathogenesis of PI are not yet fully understood, but several potential factors have been suggested to play a pivotal role in the development of this pathologic condition. Pneumatosis intestinalis seems to arise from a complex interplay between various factors, such as the integrity of the intestinal lining, pressure within the portal vein, the composition of the microbiological flora in the gut. Pneumatosis intestinalis can be caused by a variety of underlying conditions, such as bowel obstruction, intestinal ischemia, infection, inflammatory bowel disease, or certain medications. Symptoms may include abdominal pain, bloating, diarrhea, vomiting, and bloody stools. We present a case report of a 63-year-old male patient who underwent laparoscopic cholecystectomy for symptomatic cholelithiasis with recurrent cholecystitis. Following the surgery, the patient experienced a rapid drop in hemoglobin levels, necessitating an urgency regimen laparoscopic abdominal exploration which revealed Meckel's diverticulitis with active bleeding leading to diverticulectomy. The next day, the patient developed a radiological condition characterized by the co-presence of intermittent pneumatosis intestinalis, Portal pneumatosis and intermittent small bowel obstruction.

The Role of Sentinel Node Biopsy in the Era of Adjuvant Therapy for Melanoma.

Sentinel lymph node biopsy (SLNB) is a surgical procedure aimed to detect nodal metastases in patients with clinically occult disease. Since the advent of new systemic therapies, its role in melanoma has been extensively debated over the last years. In this article, three possible scenarios are discussed, considering the SLNB impact on the management of melanoma patients. First, pT1b and pT2a patients with negative SLNB (stages IA and IB) and those with positive SLNB (stage IIIA) would all not benefit from adjuvant treatment. Therefore, SLNB might be avoided in these categories of patients. Second, in IIB and IIC, melanoma patients are already candidates for adjuvant treatment; therefore, SLNB in patients with T3b, T4a, or T4b melanoma would not change treatment decisions. On the other end of the spectrum, patients with pT2b and pT3a melanomas (clinical stage IIA) represent the only two groups whose management would be significantly affected by the SLNB status, being adjuvant therapy only indicated for SLN-positive patients. Further studies are needed to investigate which melanoma patient deserves SLNB.

Management of Non-Melanoma Skin Cancer: Radiologists Challenging and Risk Assessment.

Basal cell carcinoma, squamous cell carcinoma, and Merkel cell carcinoma are the three main types of nonmelanoma skin cancers and their rates of occurrence and mortality have been steadily rising over the past few decades. For radiologists, it is still difficult to treat patients with advanced nonmelanoma skin cancer. Nonmelanoma skin cancer patients would benefit greatly from an improved diagnostic imaging-based risk stratification and staging method that takes into account patient characteristics. The risk is especially elevated among those who previously received systemic treatment or phototherapy. Systemic treatments, including biologic therapies and methotrexate (MTX), are effective in managing immune-mediated diseases; however, they may increase susceptibility to NMSC due to immunosuppression or other factors. Risk stratification and staging tools are crucial in treatment planning and prognostic evaluation. PET/CT appears more sensitive and superior to CT and MRI for nodal and distant metastasis as well as in surveillance after surgery. The patient treatment response improved with advent and utilization of immunotherapy and different immune-specific criteria are established to standardized evaluation criteria of clinical trials but none of them have been utilized routinely with immunotherapy. The advent of immunotherapy has also arisen new critical issues for radiologists, such as atypical response pattern, pseudo-progression, as well as immune-related adverse events that require early identification to optimize and improve patient prognosis and management. It is important for radiologists to have knowledge of the radiologic features site of the tumor, clinical stage, histological subtype, and any high-risk features to assess immunotherapy treatment response and immune-related adverse events.

The Impact of Direct Oral Anticoagulant Prophylaxis for Thromboembolism in Thrombophilic Patients Undergoing Abdominoplastic Surgery.

Congenital or acquired thrombophilia is observed in 10-15% of the general population; therefore, careful screening is carried out in patients at higher risk of venous thrombo-embolism (VTE). High risk of VTE is a contraindication in patients undergoing abdominoplasty. We evaluated rivaroxaban, an oral Xa inhibitor, with enoxaparin, a subcutaneously low molecular weight heparin (LMWH), in 48 female patients with documented thrombophilia, undergoing thrombo-prophylaxis after abdominoplasty. Patients were stratified into two groups according to thrombo-prophylaxis procedure: enoxaparin Group (n = 28) and rivaroxaban Group (n = 20). Hematologic outcomes were evaluated including VTE and hematoma. No episodes of VTE occurred in both groups; two patients during their course of enoxaparin presented severe hematoma for drainage and hemostasis revision. This study suggests that abdominoplasty, in patients with thrombophilia, in combination with thrombo-prophylaxis can be performed safely. Rivaroxaban was as effective as LMWH for preventing VTE, with only a moderate risk of clinically relevant bleeding. More research is needed to determine the optimal timing and duration of prophylaxis in patients undergoing plastic surgery.

Plasma Radiofrequency Ablation for Scar Treatment.

Scars are a common disfiguring sequela of various events such as acne, hidradenitis suppurativa, surgery, trauma, and burns, which can lead to serious psychosocial problems with a negative effect on the quality of life. Many conventional approaches have been proposed for the treatment of scars, including surgical techniques, dermabrasion, chemical peels, topical silicone gel, 5-fluorouracile and dermal fillers injection or autologous fat transfer for atrophic scars, and corticosteroids injection for hypertrophic and keloid scars; however, they have sporadic effects. Ablative lasers, such as carbon dioxide laser or Erbium Yag laser, are associated with many collateral effects limiting their application. Non-ablative laser treatments have been shown to be safer and to have fewer side effects, but they have a reduction of clinical efficacy compared to ablative lasers and a minimal improvement of scars. The demand for minimal invasive and safe technology for the treatment of a scars has stimulated the search for more effective novel therapy with fewer collateral effects. Plasma radiofrequency ablation is a new technique consisting of the generation of plasma energy through the production of ionized energy, which thermally heats tissue in a uniform and controlled manner, through a plasma radiofrequency device, inducing a sublimation of the tissue. The aim of this study is to evaluate the effectiveness of P-RF ablation in the treatment of scars performed with D.A.S. Medical device (Technolux, Italia), which is a tool working with the long-wave plasma radiofrequency principle.

Diagnosis and Management of Melanoma of the Scalp: A Review of the Literature.

Cutaneous melanoma is a public health issue and the head and neck region is of particular interest, despite accounting for only 9.0% of the total body surface, it harbours 20% of melanoma cases. Data from the literature show that scalp melanomas (SM) carry high mortality rates, with a 10-year survival rate of 60% which lead them to be named as the "invisible killer". Moreover, SMs are more common in the elderly than in young population, and they occur six times more frequently in men than in women. This is probably related to the higher incidence of androgenetic alopecia and a higher cumulative and intermittent ultraviolet damage on the scalp. Histologically, SM is a heterogenous group, including lentiginous melanoma (LM), desmoplastic melanoma, superficial spreading and nodular melanoma. Thin melanomas tend to display an atypical network or pseudo-network and regression in dermoscopy. Blue-white veil, irregular pigmented blotches and an unspecific pattern are most commonly detected in thick lesions. On reflectance confocal microscopy (RCM), the most frequent pattern is irregular meshwork, but also ringed and disarranged pattern have been described. Differential diagnosis includes benign solar lentigo, actinic keratoses, lichen planus like keratosis, melanocytic nevi and blue nevi. All suspicious lesions should be biopsied; therefore, an excisional biopsy with 2 mm margins is usually the best option. The management of SM is the same as for melanoma on other body sites. However, sentinel node biopsy tends to be more challenging, as well as achieving adequate excision margins of the primary tumor. In this review, we summarize clinical, pathologic, dermoscopic and RCM features of SM, and focus on its epidemiology, risk factors and best management options.

Elbasvir/Grazoprevir combination therapy in a B-NHL patient with HCV genotype 1 infection.

Patients with indolent non-Hodgkin lymphomas (NHL) may often be followed up only with observation, reserving chemotherapy in case of spread. Patients with chronic HCV infection and B cell NHL frequently undergo regression of lymphoproliferative disease once HCV infection is eradicated by treatment. Interferon (IFN)-based therapy has been the treatment of choice for years, remaining unclear whether it is effective in B cell NHL directly or through HCV eradication, since IFN is effective in both HCV infection and B cell NHL. IFN therapy for HCV infection became obsolete with the advent of the well tolerated direct-acting antiviral agents (DAAs), whose excellent efficacy in treating patients with chronic HCV infection and B cell NHL has been recently highlighted. We treated a 53-year-old woman with chronic HCV infection and marginal zone lymphoma (MZL) with elbasvir plus grazoprevir in 2018, with complete remission and persisting excellent results: sustained virological response 24 weeks after treatment (SVR24). The exclusive role of HCV eradication in B cell NHL regression is also underlined.

Ultrasound-Guided Anterior Mediastinotomy: A Feasible Tool for Critical Lymphoma Patients.

A significant part of all neoplasms growing in anterior mediastinum are lymphomas (25%). Achieving a correct diagnosis and a clear definition of a lymphoma's subtype is crucial for beginning chemotherapy as soon as possible. However, most patients present a large mediastinal mass that compresses vessels and airway, with serious cardiorespiratory repercussions. Therefore, having multiple tools available to biopsy the lesion without worsening morbidity becomes fundamental. Patients enrolled in this study were unfit for a surgical biopsy in general anesthesia and the need to begin chemotherapy as fast as possible prompted us to avoid percutaneous fine needle aspiration to prevent diagnostic failures. Our observational study included 13 consecutive patients with radiological findings of anterior mediastinal mass. Ultrasonography was performed directly in the theatre to mark the lesion and to localize vessels and vascularized neoplastic tissue. Open biopsy was carried out in spontaneous breathing with a laryngeal mask and with short-acting medications for a rapid anesthesia, performing an anterior mediastinotomy. The mean operative time was 33.4 ± 6.2 min and spontaneous respiration was maintained throughout the procedure. No complications were reported. All patients were discharged in the first or second postoperative day after a chest X-ray (1.38 ± 0.5 days). The diagnostic yield of this approach was 100%. With the addition of ultrasonography right before the procedure and with spontaneous breathing, anterior mediastinotomy still represents a useful tool in critical patients that could hardly tolerate a general anesthesia. The diagnostic yield is high, and the low postoperative morbidity allows a rapid onset of chemotherapy.

Clinical Outcomes of Platinum-ineligible Patients with Advanced Urothelial Carcinoma Treated With First-line PD1/L1 Inhibitors.

BACKGROUND: PD1/L1 inhibitors are approved by FDA as first-line therapy for patients with advanced urothelial carcinoma (aUC) who are cisplatin-ineligible with high tumor PD-L1 expression or are platinum-ineligible regardless of PD-L1 expression. However, the outcomes when employing PD1/L1 inhibitors for platinum-ineligible patients are unclear. This retrospective analysis evaluates the clinical outcomes of first-line PD1/L1 inhibitors in patients with aUC deemed to be platinum-ineligible. METHODS: Data were retrospectively collected from 8 academic institutions. The following criteria were used to define platinum ineligibility: creatinine clearance (CrCl) < 30 mL/min; Eastern Cooperative Oncology Group (ECOG) performance status (PS) 3; CrCl 30 to 59 mL/min and ECOG PS 2; elderly and/or comorbidities. Patient characteristics, responses and treatment-related toxicities were identified. Survival curves were estimated by the Kaplan-Meier method. A Cox regression analysis was conducted to explore the association of baseline variables with response and survival. RESULTS: A total of 79 platinum-ineligible patients with aUC were eligible. Patients were treated with atezolizumab (51.9%), pembrolizumab (35.5%), nivolumab (8.9%), or durvalumab (3.8%). The objective response rate was 27.9%. The median overall survival was 45 weeks (95% confidence interval [CI], 32-80), and the median treatment failure-free survival was 16 weeks (95% CI, 9-18). Treatment-related toxicity of any grade and grade ≥ 3 was seen in 41.8% and 31.7% of patients, respectively. Anemia and liver metastasis were associated with worse survival. CONCLUSION: The efficacy of first-line PD1/L1 inhibitors for platinum-ineligible patients with aUC in the real world appears comparable to those reported in trials of unselected cisplatin-ineligible patients, whereas grade ≥ 3 toxicities appear more common. Further validation is required including data based on PD-L1 status and other biomarkers. Platinum-ineligible patients with aUC warrant evaluation of novel, safe, and effective agents.

Challenges and new perspectives in the treatment of advanced cutaneous squamous cell carcinoma.

Despite the overall excellent survival rates in patients affected by early cutaneous squamous cell carcinoma (CSCC), advanced forms of CSCC are associated with high patient mortality. To date, only limited therapeutic modalities have been implemented, including chemotherapy and radiotherapy. Systemic therapy was enriched by the addition of epidermal growth factor receptor inhibitors (EGFRi) in the last years. Unfortunately, the overall outcome of all these therapeutic strategies remains poor, therefore important unmet clinical needs persist. Thanks to a better understanding of the biology of advanced CSCC, new treatment options are now available. This article presents the current definition of advanced CSCC along with actual therapeutic options and discusses the strengths and limitations of a new promising systemic approach, which involves the use of immune checkpoint inhibitors.

Arterial blood supply of the extensor apparatus of the long fingers.

BACKGROUND: The extensor apparatus vascularization is less studied compared with flexor tendons. The aim of the present anatomical work was to study it in a more systematic way and find clinical applications. METHODS: The study was carried on 40 fingers from 10 fresh cadaver hands. Two catheters (16 gauge) were introduced into the radial and ulnar arteries on the volar side of the wrist. Acetone was used for arterial cleaning and color latex for the arterial system coloration. The authors proceeded with the dissections, always in the same manner: they first made the longitudinal dorsal incisions from the metacarpophalangeal to distal interphalangeal joints. Raising the skin, they identified the thin subcutaneous branches into the hypodermal plane; they followed their course until their origin, which allowed identification of the arterial branches of the extensor apparatus. For measurements, they used as a point of reference the emergence distance of those dorsal branches from the metacarpophalangeal and proximal and distal interphalangeal joints. RESULTS: The extensor apparatus vascularization was segmental, realized through the paratenon from the branches of a vascular cutano-tendino-osseous complex through a common trunk, issued from the propria digital artery. This complex nourished not only the extensor apparatus but also the dorsal digital skin and periosteum. Its location was consistent at the level of both proximal and middle phalanges. CONCLUSIONS: This consistency explains the anatomical basis for the realization of composite-free tissue transfer in cases of banked fingers. The osteotomies could be performed at well-defined distances from the joints.