Results: 732

Evaluation of surgical margins according to the histological type of basal cell carcinoma

An. bras. dermatol; 92 (2), 2017
Abstract: Basal cell carcinoma is the most common skin cancer in the world. The aim of this study was to evaluate the surgical margin of basal cell carcinoma and correlate this with its histologic subtype. A retrospective analysis of pathology laboratory records from 1990 to 2000 was performed and the fo...

Case for diagnosis. A bluish nodule on the scalp

An. bras. dermatol; 92 (2), 2017
Abstract: Acrospiroma, also known as hidradenoma, is a rare cutaneous tumor that has several histological characteristics. As a consequence, a high index of suspicion is necessary for its diagnosis. Here we report a case that illustrates the importance of a good clinical-pathologic correlation in order t...

Proliferative nodule in melanocytic nevi mimicking deep penetrating nevus

An. bras. dermatol; 92 (2), 2017
Abstract: Proliferative nodules can occasionally arise on congenital and acquired melanocytic nevi. At first sight their clinical and pathologic features cause alert to both dermatologist and dermatopathologist. However, proliferative nodules are typically benign, regression is common and there is minimu...

Cutaneous angiosarcoma: report of three different and typical cases admitted in a unique dermatology clinic

An. bras. dermatol; 92 (2), 2017
Abstract: Angiosarcoma is a rare and aggressive tumor with high rates of metastasis and relapse. It shows a particular predilection for the skin and superficial soft tissues. We report three distinct and typical cases of angiosarcoma that were diagnosed in a single dermatology clinic over the course of l...

Melanoma: tumor microenvironment and new treatments

An. bras. dermatol; 92 (2), 2017
Abstract: In the recent past years, many discoveries in the tumor microenvironment have led to changes in the management of melanoma and it is rising up hopes, specially, to those in advanced stages. FDA approved seven new drugs from 2011 to 2014. They are: Vemurafenib, Dabrafenib and Trametinib, kinases...

Giant congenital melanocytic nevi: 40 years of experience with the serial excision technique

An. bras. dermatol; 92 (2), 2017
Abstract: Although giant congenital melanocytic nevus is a rare lesion, it causes significant deformity and carries a risk of malignant degeneration. Different surgical techniques for the lesion removal are described, including serial resection, resection with skin grafting, and resection and coverage wi...

Study of 448 cases of melanoma in situ in two hospitals in Rio de Janeiro

An. bras. dermatol; 92 (2), 2017
Abstract: The diagnosis of cutaneous melanoma in situ, considered to have excellent prognosis, has been increasingly frequent, with rare isolated reports of cutaneous melanoma in situ presenting recurrence, metastasis, and death. No specific study is found in the literature about these lesions of unexpec...