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Background: Presence of the vermiform appendix in an inguinal hernia sac is an uncommon finding (1%), exceptionally rare if it's inflamed (0.13%). Clinically simulating incarcerated inguinal hernia and proper preoperative diagnosis is exceptional. We present two unusual cases of Amyand's hernia, and review of the bibliography., Clinical Cases: 1. Male patient 78 year old with an incarcerated right inguinal hernia which was performed preoperatively the diagnosis of Amyand's hernia by abdominal Computed Tomography. Clinical case 2. Female patient 82 year old with symptoms of an incarcerated right femoral hernia that finally showed an Amyand's hernia through a right inguinal hernia., Conclusions: Amyand's hernia is a rare entity whose preoperative diagnosis is uncommon, that it should always be considered in the differential diagnosis in cases with clinical signs of incarcerated right inguinal hernia.

Introduction: Nesidioblastosis is a rare disease caused by hyperplasia of pancreatic islets, developing a state of hypoglycemia due to an increase in the insulin production. It is the leading cause of hyperinsulinic hypoglycemia in childhood, whereas in adults it only represents the 0.5-5% of cases. The pathogenesis is still unknown. We have studied several genetic mutations associated with dependent potassium channel of ATP present in the beta cells of the pancreas, as well as in patients underwent bariatric surgery because of the metabolic changes involved., Report: Woman (38 years old) attends consultation of General Surgery derived from Endocrinology before symptoms of persistent hypoglycemia. Factitious hypoglycemia and syndromes of neuroendocrine origin were ruled out. Imaging tests failed to identify space-occupying lesions. The medical treatment failed, persisting hypoglycemia symptoms. Before the given analytical and radiological findings obtained, and the persistence of symptoms affecting the quality of life of the patient, we opted for surgical treatment performing a pancreatectomy of the 80% of the gland. The final pathologic diagnosis was nesidioblastosis., Discussion: Nesidioblastosis is a rare pathology, but it must be present in the differential diagnosis of hypoglycemia symptoms with endogenous hyperinsulinism in adults, once the intake of sulfonylureas and possible pancreatic neoformations have been ruled out., (Copyright © 2013 IAP and EPC. Published by Elsevier B.V. All rights reserved.)

Background: mammary fibromatosis is a rare pathology. It constitutes 0.2% of breast cancers, and case in men are exceptional. The definitive diagnosis is histological., Clinical Case: we report the case of a male of 52 years, diagnosed with breast fibromatosis after pathologic study of tumor in the right breast. Programmed surgery for excision with wide margins was done. We performed a mastectomy of the subcutaneous fibromatosis with a pathologic study with clear margins. The postoperative course was uncomplicated and did not require adjuvant therapy. At 6 months follow-up he remains free of disease. The treatment of choice is surgical excision with wide margins. Adjuvant treatment is controversial., Conclusions: the fibromatosis in the breast is very rare and an exceptional occurrence in men. Surgery is the definitive treatment; few results exist for adjuvant therapy.

Introduction: the presence of diverticula and their complications in the cecal appendix is an uncommon disease. We present a series of 13 patients with this condition, and perform a review of the literature., Patients and Method: we carried out a retrospective study of patients undergoing appendectomy for acute appendicitis in the last twelve years in our department. The pathological examination of these episodes revealed 13 cases with a diagnosis of diverticular disease, all of them consisting of pseudodiverticula. Their clinical manifestations, laboratory results, imaging tests, and histology were analyzed, and findings were compared to those in the previous literature., Results: the incidence of diverticular disease in our setting was 13 cases (0.8%) among 1634 appendectomies for acute appendicitis. Diverticulitis was found in 8 patients (61.5%), and diverticulosis (38.5%) in 5. Appendicular perforation was more common in patients with diverticular disease (53.8%) as compared to those without this condition (31.1%)., Conclusions: complicated diverticular disease in the vermiform appendix of adult patients may result in insidious, recurrent manifestations that may confound preoperative diagnosis. A higher risk for appendicular perforation renders appendectomy the therapy of choice, even prophylactically when the condition is incidentally identified preoperatively.

Background: The "proximal-type" epithelioid sarcoma (PES) is a rare variant of conventional epithelioid sarcoma. It has been described in older patients in the proximal portion of the extremities with a predilection for the pelvis and perineum. It is clinically more aggressive, showing a higher incidence of recurrence, metastasis, resistance to chemotherapy and a higher mortality. We report the case of a patient with a PES of the pubic region and we review the previous literature., Clinical Case: We report the case of a 57-year-old female with a painless, progressively growing mass in the region of the pubis. We performed surgical resection of the lesion with clear margins and histological and immunohistochemical study allowed the definitive diagnosis of PES. After 4 disease-free years, the patient had a tumor recurrence at the same location. We performed en bloc resection of the lesion and immunohistochemical study confirmed the recurrence of PES. The patient refused adjuvant therapy. Today, after 4 years of follow-up, the patient remains asymptomatic and without evidence of recurrence or distant disease., Conclusions: Diagnosis of PES is complex because histological findings may be confused with multiple tumors; therefore, immunohistochemical study is definitive. PES shows positivity for epithelial markers (cytokeratin and EMA), mesenchymal markers (vimentin) as well as CD34. According to what has been reported in the literature, surgical treatment with free margins is indicated, with adjuvant therapies when the risk of recurrence is high.