Dermatofibroma simulating seborrheic keratosis dermoscopically

Dermatofibroma simulating seborrheic keratosis dermoscopically*

Dermatofibroma is a frequent benign tumor of easy clinical diagnosis in most cases, but that can mimic other dermatoses. Dermoscopy may help to define the diagnosis and its classical pattern is a central white area, similar to a scar, surrounded by a discrete pigment network. However, dermoscopic findings are not always typical. We describe here a case of dermatofibroma exhibiting ridges, furro...

Regressing seborrheic keratosis - clinically and dermoscopically mimicking a regressing melanoma.

The diagnosis of seborrheic keratosis is a clinical diagnosis. In a certain percentage of cases, differential diagnosis between seborrheic keratosis and malignant melanoma is difficult. We describe a case of regressing seborrheic keratosis simulating malignant melanoma. Clinical, dermoscopic and histopathologic examinations were performed for the occurrence of an asymmetric, irregularly demarca...

Association of pulmonary leiomyoma with seborrheic keratosis

A 58 year old man was referred to suegery clinic due to dyspnea and left sided chest wall pain for three months duration.during the last 18 months some monomorph disseminated hyperkeratotic skin lesions appeared on his face and trunk.after worlup and evaluation of the patient,he underwent thoracotomy with indication of presence of a mass in the left lung.the operative finding was a huge solid r...

Clinical and Histopathological Investigation of Seborrheic Keratosis

BACKGROUND Seborrheic keratosis (SK) is one of the most common epidermal tumors of the skin. However, only a few large-scale clinicohistopathological investigations have been conducted on SK or on the possible correlation between histopathological SK subtype and location. OBJECTIVE The aim of this study was to analyze the clinical and histopathological features of a relatively large number of...

A naturally occurring ring seborrheic keratosis.