BACKGROUND Atrophic dermatofibroma is an uncommon variant of dermatofibroma. It lacks the classic clinical features of a dermatofibroma and is often misdiagnosed. OBJECTIVE To describe the clinical and histologic features of atrophic dermatofibroma. METHODS Case report and review of the literature. RESULTS A 45-year-old white woman was found to have a 7 mm x 5 mm atrophic, depressed lesio...

Background. Amyloidosis is a group of disorders characterized by deposition of an extracellular protein, known as amyloid, in an abnormal fibrillar form with highly characteristic histopathologic staining properties. The clinical presentation can vary from a focal, localized lesion where amyloidosis has minor clinical consequences to extensive systemic disease that can involve any organ system ...

Retroperitoneal schwannomas are rare tumors and a correct pre-operative diagnosis is often not possible. They are usually identified incidentally via cross-sectional imaging. Diagnosis is based on histopathologic examination and immunohistochemistry. A 57-year-old man with a retroperitoneal schwannoma, as an unusual localisation, is presented.

CASE REPORT A 32-year-old man developed a lesion, over a period of 1 year, at the margin of the right upper eyelid. The presumed diagnosis was a pyogenic granuloma. An excision biopsy was performed and the histopathologic diagnosis was a pilomatrixoma. DISCUSSION Eyelid pilomatrixoma is commonly misdiagnosed preoperatively and is extremely rare in middle-aged patients.

OBJECTIVE The study aims to analyze the demographic data of a large case series operated on because of submandibular triangle mass for more than 10 years and presents a review of the literature. MATERIALS AND METHODS The charts of patients who underwent surgical intervention for submandibular triangle mass between January 2000 and November 2010 were reviewed. The medical history, age, sex, du...

BACKGROUND To evaluate the correlation of magnetic resonance imaging (MRI) features of breast lesions of Breast Imaging Reporting and Database System (BI-RADS) category 4 with histopathologic results. MATERIALS AND METHODS In a prospective study between December 2013 and April 2015, patients with suspicious mammographic and/or ultrasound findings referred for Breast MRI were evaluated. Patien...

Background: The incidence and mortality rates of salivary gland tumors have increased according to previous evidence. No study has so far focused on the trend clinical histopathologic patterns in Iran. Therefore, aim was investigate clinico-histopathologic a retrospective, cross-sectional, institutional from 2010-2019 Amir Alam hospital. Methods: archived medical records were collected patients...

Hepatic endometriosis is a very rare medical condition characterized by the implantation of ectopic endometrial tissue within the hepatic parenchyma. Preoperative diagnosis is difficult via cross-sectional imaging and histopathologic evaluation remains the gold standard for diagnosis. We report a case of hepatic endometrioma in a 44-year-old woman with history of endometriosis. The literature i...

Calcifying odontogenic cyst (COC), Central odontogenic fibroma (COF) and aggressive central giant cell granuloma (CGCG) are rare pathologic diseases affecting the jaws. While the Co-existence of two of them is reported in the literature, existence of all three conditions in one patient is an extremely rare entity. In the present report, initial biopsy revealed fibrosarcoma, therefore mandibular...

We report on a case of an congenital orbital tumor of impressive size, occurring in a newborn. The patient underwent orbital exenteration with a histopathologic diagnosis of cystic teratoma. The clinicopathological aspects of such a rare disease are commented.