Although nevus sebaceous (NS) is known to develop various types of secondary neoplasms, it rarely causes carcinoma and only fifteen cases of secondary squamous cell carcinoma (SCC) have been reported. We report a rare variant of SCC (acantholytic type) arising in nevus sebaceus.

Retraction The Editor-in-Chief and Publisher have retracted this article [1] because the scientific integrity of the content cannot be guaranteed. An investigation by the Publisher found it to be one of a group of articles we have identified as showing evidence suggestive of attempts to subvert the peer review and publication system to inappropriately obtain or allocate authorship. This article...

This paper regards the discovery of a trepanated skull dating back to the end of the Middle Bronze Age II (1650-1600 B.C.). The skull was found in a funeral pit in the Syrian city of Ebla. A rectangular area of the frontal bone measuring approximately 50 by 45 mm was purposely surgically removed through the use of a blade. Deposition of new bone indicates that the subject survived for a long pe...

Clear cell acanthoma (CCA) is a rare benign epidermal tumor. It usually presents as a flat nodule or dome-shaped plaque and is often localized on the legs of the elderly. We observed an unusual case of polypoid CCA on the nipple of a 14-year-old girl. At present, a few cases of CCA on the nipple area have been reported in the literature. However, CCA presented as a polypoid tumor on the nipple ...

Eccrine Porocarcinoma (ECP) is a malignant tumour arising from the intraepithelial ductal parts of the sweat gland. It has also been described as malignant hidroacanthoma simplex, sweat gland carcinoma, malignant intra-epidermal eccrine poroma, eccrine poroepithelioma, dysplastic poroma, malignant syringo acanthoma and porocarcinoma. Treatment with wide local excision but metastatic lesions can...

In most cases, clear cell acanthoma (CCA) is an uncommon solitary lesion with distinctive clinicopathological features. We report the case of 80-year-old man generalized asymptomatic skin lesions predominantly affecting his chest, abdomen and legs. On dermoscopy, showed dotted vessels in a linear pearl-like distribution (“pearl necklace”) surrounded by slightly whitish halo. Histopathology clea...