Floret Cells in Pleomorphic Lipoma [Pathology Infographic]


Pleomorphic lipoma occur in adults and are more common in males.
These are located on the back of the neck, upper back or shoulders.
These tumours usually present as a solitary, painless, slow growing, lobular mass with an average diameter of 5 cms. Rarely multiple lesions may develop.
Cut surface has a yellow or grayish – yellow colour. Sometimes mucoid areas are present.
There are overlapping features with spindle cell lipoma.

This tumour should not be mistaken for a  liposarcoma.



Raining down appearance of Pigmented Spindle Cell Nevus (Reed Nevus)

Pigmented Spindle Cell Nevus (Reed Nevus) is a distinct pigmented tumour of the skin.  Clinically, this lesion presents as symmetrical, sharply circumscribed, darkly pigmented nodule or papule.  It is usually noted on the extremities and on the back. This lesion should not be mistaken for a melanoma.



Locally Aggressive Adnexal Tumour – Microcystic Adnexal Carcinoma [Pathology Infographic]

A slow growing locally aggressive adnexal tumour  presented as a plaque on the cheek of an elderly male.

 Just on Hematoxylin and eosin stain search for ductal structures, perineural invasion and deep invasion into the subcutaneous fat.

Immunohistochemistry will finally establish the diagnosis. Pathology of Microcystic Adnexal Carcinoma