Jump to content
In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 1621 - 12 September Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
   (0 reviews)

The patient is a 66-year-old white woman with a shave biopsy taken from the left wrist. Clinical Diagnosis: BCC, SCC, LPLK

Case Posted by Dr Mark Hurt


  Report Record

User Feedback


Raul Perret

Posted

Yes there is cornoid lamellation confined to the follicles with associated interface change. Should correlate clinically but the morphology is quite suggestive of follicular porokeratosis. Something particular here is the apparent clinical description of a single lesion (follicular porokeratosis appears usually as multiple lesions). Other differentials to consider when diagnosing follicular porokeratosis: Porokeratotic eccrine and hair follicle nevus (PEHFN) but in this entity we see usually multiple lesions, compromise of the palms and soles and the cornoid lamella also involve eccrine ostia. It is important to remember that other types of porokeratosis can involve the follicles, however we should see cornoid lamella in non-follicular areas (not the case here). 

Share this comment


Link to comment
share_externally

Arti Bakshi

Posted

follicular porokeratosis..... Agree that solitary lesion is odd!

Share this comment


Link to comment
share_externally

Mark A. Hurt MD

Posted

SKIN, LEFT WRIST , SHAVE BIOPSY :

-- POROKERATOSIS (infundibular)

COMMENT:  It is somewhat unusual for a porokeratosis to originate exclusively in infundibula.  Whether this finding has clinical significance is debated in the literature.  There have been a few case reports of infundibula on the upper limbs and the face.

 

Reference:

 

Pongpudpunth M, Farber J, Mahalingam M.  Follicular porokeratosis: distinct clinical entity or histologic variant?  J Cutan Pathol. 2009 Nov;36(11):1195-9.  doi: 10.1111/j.1600-0560.2009.01266.x. Epub 2009 Jun 6. PubMed PMID: 19519877.

 

Rocha-Sousa VL, Costa JB, de Aquino Paulo-Filho T, Rocha KB, da Trindade-Neto.  PB. Follicular porokeratosis on the face. Am J Dermatopathol. 2011  Aug;33(6):636-8. doi: 10.1097/DAD.0b013e318203fc47. PubMed PMID: 21712691.

 

 

Share this comment


Link to comment
share_externally



Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Add a comment...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...

×
×
  • Create New...