Hobnail hemangioma is a rare benign vascular tumor. It usually develops in young adults as a single, small, well-circumscribed, angiomatous/pigmented, and flat or exophytic lesion and has a distinctive biphasic histopathologic appearance. Lesions commonly affect the trunk and lower and upper extremities, although head and neck involvement has also been described. Until now, only 3 intraoral cas...

Vascular tumors of intermediate malignancy encompass a broad range of histologic entities. They are characterized clinically by having a high risk of local recurrence and limited risk of regional or distant metastasis. Vascular tumors of intermediate malignancy frequently present in the skin and often cause diagnostic diffi culty. This article reviews the clinical and histologic features of kap...

The term livedo reticularis refers to a reddish-violet reticular discoloration of the skin that mainly affects the limbs. It is caused by an interruption of blood flow in the dermal arteries, either due to spasm, inflammation, or vascular obstruction, and is associated with diseases of varying etiology and severity. To establish the cause of livedo reticularis, it is essential to determine its ...

Retiform hemangioendothelioma (RH) is an infrequently encountered vascular neoplasm of intermediate or borderline malignancy. Treatment of RH is controversial. We present a case of a 44-year-old Asian male presenting with an unresectable RH of the pelvis. The patient was treated with concurrent low-dose Cisplatin and External beam Radiation (4140cGy in 180cGy per fraction). This is the first re...

Sir, Non-inflammatory retiform (net-like or livedoid) purpura (NIRP) is a clinical pattern produced by small vessel occlusion in dermis. Several disorders such as coagulation abnormalities, cold-related gelling, microorganism vessel invasion or embolization leading to microvascular occlusion may share in common a clinical picture of localized or generalized NIRP (1). NIRP lesions are usually sh...