Kaposi sarcoma (KS) is a multifocal vascular neoplasm most commonly seen in association with human immunodeficiency virus infection. However, KS has also been reported in patients treated with immunosuppressive agents. However, it is very rare to find KS in association with idiopathic thrombocytopenic purpura (ITP). Here we describe a 58-year-old male patient suffering from ITP treated with cor...

Ameloblastoma is a true benign odontogenic neoplasm with many classical histological variants, common being follicular and plexiform types. Hemangiomatous amelobalstoma is a very rare variant that shows unique histopathologic characteristics varying from conventional ameloblastoma. We present a rare variant of ameloblastoma in a 35-year-old female patient with a swelling over left mandibular re...

Angiosarcoma is a rare malignant vascular tumor. Pulmonary involvement is usually attributable to metastasis from other primary sites, primary pulmonary angiosarcoma therefore being quite uncommon. We report a case of angiosarcoma with pulmonary involvement, probably primary to the lung, which had gone untreated for more than two years. We describe this rare neoplasm and its growth, as well as ...

Eccrine poroma is a benign adnexal neoplasm that clinically may mimic malignant skin tumors such as squamous cell carcinoma and amelanotic melanoma. The dermoscopic features of pigmented and nonpigmented eccrine poroma have recently been described. We present 2 cases of eccrine poroma, with their dermoscopic features. The lesions were characterized by multiple red lacunes and a polymorphous vas...

Pericardial coelomic cysts are uncommon tumors that are usually detected on a routine roentgenogram of the chest in an asymptomatic individual. Findings from physical examination are usually unremarkable. Needle aspiration, after echocardiographic finding of a cyst, may be diagnostic and therapeutic. Surgery may be indicated to exclude neoplasm or vascular abnormality. This case report presents...

Endovascular papillary angioendothelioma, also known as Dabska tumor, is a rare vascular neoplasm that usually involves the skin or subcutaneous tissue of children. There have been no reported cases of this lesion occurring in bone. We report a Dabska tumor in the distal femur of a 45-year-old woman who, clinically and radiologically, was felt to have an osteoid osteoma. Histologic study of the...

Epithelioid hemangioendothelioma is an uncommon malignant vascular tumour usually involving soft tissue and rarely only skin. It is considered to be a borderline neoplasm between angiolymphoid hyperplasia with eosinophilia and an epithelioid angiosarcoma and is mostly found in adults with few cases reported in children. We herein report a case of ulcerated cutaneous epithelioid hemangioendothel...

Seaton, D. (1974). Thorax, 29, 595-598. Primary diaphragmatic haemangiopericytoma. Haemangiopericytomas are tumours consisting of vascular spaces surrounded by proliferating pericytes. Since this neoplasm was first described (Stout and Murray, 1942) over 300 cases have been reported. All tumours of the diaphragm are rare, and a primary diaphragmatic haemangiopericytoma has not been previously r...

Epithelioid hemangioendothelioma was coined by Enzinger and Weiss in 1880 to define an intermediate group of vascular neoplasm.1 The tumor is composed of epithelioid or histiocytoid endothelial cells. It commonly occurs in lungs, liver, bone, and presents as a soft tissue mass. Intracranial occurrences are very rare and cavernous sinus is an unusual site. To the best of our knowledge, we found ...

Epithelioid hemangioendothelioma is a rare neoplasm of vascular origin whose involvement of organs such as lung, spleen, bone, breast and liver has already been reported. The clinical signs and the prognosis of this tumor are quite variable. From the present case report, the authors have sought to contribute with literature data, by reviewing clinical and radiological features which may be usef...