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1.
Int J Surg Pathol ; 31(8): 1580-1585, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36945833

RESUMEN

The myoid gonadal stromal tumor is a very rare testicular spindle cell tumor. Few cases have been reported in the literature from 1977 to 2022. It was an emerging entity in the fourth edition of the WHO Classification of Tumors of the Urinary System and Male Genital Organs and has been instated as a full benign entity in the new edition of 2022. We report herein an additional case of a myoid gonadal stromal tumor. It was a 27-year-old man who presented with an asymptomatic mass in his left testicle for 2 months. The mass was confirmed by ultrasound as a 3 cm solid well-circumscribed lesion for which orchiectomy has been performed. The histological analysis of the specimen and the immunohistochemistry staining was consistent with a myoid gonadal stromal tumor. The characteristics of this tumor are summarized in well-circumscribed, nonencapsulated masses of uniform spindle cells, and immunohistochemically, tumor cells coexpress SMA and S-100 protein. The benign behavior of this tumor is demonstrated by our results and those presented in the previous cases reported in the literature.


Asunto(s)
Tumores de los Cordones Sexuales y Estroma de las Gónadas , Neoplasias Testiculares , Humanos , Masculino , Adulto , Neoplasias Testiculares/diagnóstico , Neoplasias Testiculares/cirugía , Neoplasias Testiculares/metabolismo , Tumores de los Cordones Sexuales y Estroma de las Gónadas/diagnóstico , Tumores de los Cordones Sexuales y Estroma de las Gónadas/cirugía , Tumores de los Cordones Sexuales y Estroma de las Gónadas/patología , Orquiectomía , Inmunohistoquímica
2.
J Med Case Rep ; 11(1): 177, 2017 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-28666482

RESUMEN

BACKGROUND: Primary obstructive megaureter is relatively uncommon in adults. This condition usually regresses spontaneously or is treated during infancy. It can remain asymptomatic for decades until adulthood when symptoms may manifest in the event of complications or during a routine radiologic imaging. Primary obstructive megaureter has been reported to favor stone formation in the upper urinary tract. CASE PRESENTATION: We present the case of a 35-year-old Moroccan man who had a 10-year history of intermittent left flank pain and hematuria. A computed tomography urogram revealed a left megaureter with giant ureteral and renal calculi. CONCLUSIONS: Primary obstructive megaureter should be a differential diagnosis in an adult with hydroureteronephrosis associated with urolithiasis especially when there is kidney impairment. Through this case report we will discuss the diagnosis and management of primary obstructive megaureter associated with urolithiasis in adults.


Asunto(s)
Dolor en el Flanco/diagnóstico por imagen , Cálculos Renales/cirugía , Nefroureterectomía/métodos , Tomografía Computarizada por Rayos X , Obstrucción Ureteral/cirugía , Urolitiasis/cirugía , Adulto , Hematuria , Humanos , Cálculos Renales/diagnóstico por imagen , Masculino , Resultado del Tratamiento , Obstrucción Ureteral/diagnóstico por imagen , Obstrucción Ureteral/fisiopatología , Urografía , Urolitiasis/diagnóstico por imagen , Urolitiasis/fisiopatología
3.
Eur J Cancer ; 50(17): 3039-49, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-25307750

RESUMEN

AIM: In prostate cancer (PCa), neuroendocrine differentiation (NED) is commonly observed in relapsing, hormone therapy-resistant tumours after androgen deprivation. However, the molecular mechanisms involved in the NED of PCa cells remain poorly understood. In this study, we investigated the expression of the neuroendocrine secretory protein secretogranin II (SgII) in PCa, and its potential involvement in the progression of this cancer as a granulogenic factor promoting NED. METHODS: We have examined SgII immunoreactivity in 25 benign prostate hyperplasia and 32 PCa biopsies. In vitro experiments were performed to investigate the involvement of SgII in the neuroendocrine differentiation and the proliferation of PCa cell lines. RESULTS: We showed that immunoreactive SgII intensity correlates with tumour grade in PCa patients. Using the androgen-dependent lymph node cancer prostate cells (LNCaP) cells, we found that NED triggered by androgen deprivation is associated with the induction of SgII expression. In addition, forced expression of SgII in LNCaP cells implemented a regulated secretory pathway by triggering the formation of secretory granule-like structures competent for hormone storage and regulated release. Finally, we found that SgII promotes prostate cancer (CaP) cell proliferation. CONCLUSION: The present data show that SgII is highly expressed in advanced PCa and may contribute to the neuroendocrine differentiation by promoting the formation of secretory granules and the proliferation of PCa cells.


Asunto(s)
Neoplasias de la Próstata/metabolismo , Secretogranina II/metabolismo , Antagonistas de Andrógenos/farmacología , Andrógenos/farmacología , Línea Celular Tumoral , Transformación Celular Neoplásica/metabolismo , Transformación Celular Neoplásica/patología , Medios de Cultivo/farmacología , Progresión de la Enfermedad , Humanos , Masculino , Neuropéptido Y/farmacología , Antígeno Prostático Específico/metabolismo , Neoplasias de la Próstata/patología , Esteroides/farmacología
4.
J Med Case Rep ; 6: 269, 2012 Aug 31.
Artículo en Inglés | MEDLINE | ID: mdl-22938171

RESUMEN

INTRODUCTION: Testicular cancer is the most common malignancy in men 15- to 35-years-old. The North American standard classification divides testicular cancers into germ cell tumors and non-germ cell tumors. The lymphatic spread of germ cell tumors usually involves the retroperitoneal lymph nodes. However, this spread to the retroperitoneum rarely involves the hepatic hilum. We describe an unusual case of metastatic choriocarcinoma of the testis that was clinically mimicked by a cholestatic jaundice. This is an unusual presentation of testicular cancer and, to the best of our knowledge, the first report of this kind in the literature. CASE PRESENTATION: A 28-year-old Moroccan man presented with a four-week history of progressive obstructive jaundice, and weight loss to our emergency department. Abdominal ultrasound showed a dilatation of the biliary ducts due to pathologically enlarged lymph nodes of the hepatic hilum. A complete clinical and radiologic assessment to discover the primary tumor was negative except for pulmonary metastasis. In the laboratory findings at admission there were signs of cholestasis with an abnormal increase in the rate of testicular tumor markers (serum beta-human chorionic gonadotropin level was 11,000IU/ml), which subsequently led to the suspicion of a testicular tumor. Further evaluation included testicular palpation and ultrasound which revealed a testicular nodule. The patient underwent an inguinal orchidectomy of the right testis and histopathological examination confirmed a pure choriocarcinoma. The prognosis was poor due to lymph node involvement at the hepatic hilum. He died one month later, despite general chemotherapy. CONCLUSIONS: The clinical presentation of the disease and the rarity of this entity are two remarkable characteristics described in this case report which are rarely reported in literature.

5.
J Med Case Rep ; 6: 226, 2012 Jul 30.
Artículo en Inglés | MEDLINE | ID: mdl-22846644

RESUMEN

INTRODUCTION: Urachal diseases are rare and may develop from a congenital anomaly in which a persistent or partial reopening of the fetal communication between the bladder and the umbilicus persists. The most frequently reported urachal anomalies in adults are infected urachal cyst and urachal carcinoma. The diagnosis of this entity is not always easy because of the rarity of these diseases and the atypical symptoms at presentation. Imaging techniques, such as ultrasonography and computed tomography have a significant role in recognizing the presence of urachus-derived lesions. CASES PRESENTATIONS: Case presentation 1: A 25-year-old Arab-Berber man presented with a 10-day history of progressive lower abdominal pain accompanied by fever, vomiting, and low urinary tract symptoms to our emergency department. Laboratory data revealed leucocytosis. The diagnosis of an acute peritonitis was made initially. Abdominal ultrasonography revealed a hypoechoic tract from the umbilicus to the abdominal wall, and the diagnosis was rectified (infected urachal remnants). The patient was initially treated with intravenous antibiotics in combination with a percutaneous drainage. Afterwards an extraperitoneal excision of the urachal remnant including a cuff of bladder was performed. The histological analysis did not reveal a tumor of the urachal remnant. Follow-up examinations a few months later showed no abnormality.Case presentation 2: A 35-year-old Arab-Berber man, without prior medical history with one week of abdominal pain, nausea and vomiting, associated with fever but without lower urinary tract symptoms visited our emergency department. Laboratory data revealed leucocytosis. Abdominal ultrasonography was not conclusive. Computed tomography of the abdomen was the key to the investigation and the diagnosis of an abscess of urachal remnants was made. The patient underwent the same choice of medical-surgical treatment as previously described for case one, with a good follow-up result.Case presentation 3: A 22-year-old Arab-Berber man, with no relevant past medical history, presented to our emergency department because of suspected acute surgical abdomen. Physical examination revealed umbilical discharge with erythema and a tender umbilical mass. Abdominal ultrasonography and computed tomography scan confirmed the diagnosis of infected urachal sinus. Initial management was intravenous antibiotics associated with a percutaneous drainage with a good post-operative result, but a few days later, he was readmitted with the same complaint and the decision was made for surgical treatment consisting of excision of the infected urachal sinus. The clinical course was uneventful. Histological examination did not reveal any signs of malignancy. CONCLUSIONS: We describe our clinical observations and an analysis of the existing literature to present the various clinical, radiological, pathological and therapeutic aspects of an abscess of urachal remnants. To the best of our knowledge, this manuscript is an original case report because this atypical presentation is rarely reported in the literature and only a few cases have been described.

6.
J Med Case Rep ; 6: 46, 2012 Feb 01.
Artículo en Inglés | MEDLINE | ID: mdl-22297078

RESUMEN

INTRODUCTION: A primary hydatid cyst of the adrenal gland is still an exceptional localization. The adrenal gland is an uncommon site even in Morocco, where echinococcal disease is endemic. CASE PRESENTATION: We report the case of a 64-year-old Moroccan man who presented with the unusual symptom of arterial hypertension associated with left flank pain. Computed tomography showed a cystic mass of his left adrenal gland with daughter cysts filing the lesion (Type III). Despite his negative serology tests, the diagnosis of a hydatid cyst was confirmed on surgical examination. Our patient underwent surgical excision of his left adrenal gland with normalization of blood pressure. No recurrence has occurred after 36 months of follow-up. CONCLUSION: There are two remarkable characteristics of this case report; the first is the unusual location of the cyst, the second is the association of an adrenal hydatid cyst with arterial hypertension, which has rarely been reported in the literature.

7.
J Med Case Rep ; 5: 404, 2011 Aug 23.
Artículo en Inglés | MEDLINE | ID: mdl-21861879

RESUMEN

INTRODUCTION: The self-mutilating patient is an unusual psychiatric presentation in the emergency room. Nonetheless, serious underlying psychiatric pathology and drug abuse are important background risk factors. A careful stepwise approach in the emergency room is essential, although the prognosis, follow-up, and eventual rehabilitation can be problematic.We present a unique and original case of bilateral self-castration caused by cannabis abuse. CASE PRESENTATION: We report a case of a 40-year-old Berber man, who was presented to our emergency room with externalization of both testes using his long fingernails, associated with hemodynamic shock. After stabilization of his state, our patient was admitted to the operating room where hemostasis was achieved. CONCLUSION: The clinical characteristics of self-mutilation are manifold and there is a lack of agreement about its etiology. The complex behavior associated with drug abuse may be one cause of self-mutilation. Dysfunction of the inhibitory brain circuitry caused by substance abuse could explain why this cannabis-addicted patient lost control and self-mutilated. To the best of our knowledge, this is the first case report which presents an association between self-castration and cannabis abuse.

8.
Rev Urol ; 9(1): 36-40, 2007.
Artículo en Inglés | MEDLINE | ID: mdl-17396171

RESUMEN

A solitary fibrous tumor (SFT) is an unusual spindle cell neoplasm that usually occurs in the pleura but has recently been described in diverse extrapleural sites. Urogenital localization is rare, and only 19 cases of SFT of the kidney have been described. We report a case of a large SFT clinically thought to be renal cell carcinoma arising in the kidney of a 70-year-old man. The tumor was well circumscribed and composed of a mixture of spindle cells and dense collagenous bands, with areas of necrosis or cystic changes noted macroscopically and microscopically. Immunohistochemical studies revealed reactivity for CD34, CD99, and Bcl-2 protein, with no staining for keratin, S-100 protein, or muscle markers, confirming the diagnosis of SFT. This tumor is benign in up to 90% of cases. The immunohistochemical study is the key to diagnosis.

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