Case Number : Case 2047 - 11 April 2018 Posted By: Iskander H. Chaudhry

Dear All Dr Chaudhry has posted his diagnosis on the case below: 

NY Dermatopathology Update Symposium
22nd-23rd June 2018

Dear colleagues,

The countdown begins!

There’s only 11 weeks remain until the inaugural New York Dermatopathology Symposium and it’s
shaping up to be a great event.

We have some amazing guests attending, including speakers from around the globe - just take a look
at the attached poster, which includes the list of our highly distinguished Faculty and Directors, all
experts in their fields, and you’ll see what I mean.

https://dermpathpro.com/new-york-update-symposium/

We also have an exciting, hands-on itinerary planned for the two days, including practical, leading-
edge discussions around Soft Tissue Neoplasms, Adnexal Tumors, Inflammatory Dermatoses,
Melanocytic Proliferations and more.

Booking
There are still a few places available so book now to avoid disappointment. For booking details,
discounts and other information, please visit

Our shared knowledge of Dermatopathology continues to grow and we hope you’ll join us on the 22 nd
and 23 rd June to learn, inform, discuss and keep expanding this vibrant community.

Warmest regards
The DermpathPro Team

Squarish outline suggests a hardening process. Collagen bundles are thickened, hyalinized and haphazardly arranged. This and the site which is typical, suggest a keloid.

Agreed.  The lesion definitely shows morphologic features of a hypertrophic scar / keloid. However to my eyes, there are at least 2 histologic findings that are unusual for keloid.

1. The lesion appears to respect and spare the hair follicle like in Fig. 2 and 6. Scar or keloid tends to destroy the adnexal structures. 

2. The spindle cell proliferation appears to arrange parralel to the epidermis.

I would probably do smooth muscle actin to rule out dermatomyofibroma and cd34 to rule out cd34 plaque like proliferation. 

Dermatomyofibroma

I thought of Dermatomyofibroma, will ask for muscle specific actin, SMA and CD34

The final diagnosis was: