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Palmar fascia, left hand, excision:<br> | Palmar fascia, left hand, excision:<br> | ||
- FIBROMATOSIS CONSISTENT WITH DUPUYTREN'S CONTRACTURE. | - FIBROMATOSIS CONSISTENT WITH DUPUYTREN'S CONTRACTURE. | ||
== Frictional keratosis == | |||
===Microscopic=== | |||
Multiple levels show stratified squamous epithelium with focal ulceration, fibrin, and reactive inflammation consisting predominantly of neutrophils, and, to a lesser extent, from lymphocytes and plasma cells. There is keratosis of the epithelium, a prominent granular cell layer and acanthosis. Moderate dermal fibrosis is present. No viral cytopathic changes are identified. PAS staining does not identify microorganisms. | |||
===Final diagnosis=== | |||
Tongue, left posterior lateral, biopsy:<br> | |||
-FOCAL ULCERATION WITH REGENERATION/REPARATIVE EPITHELIAL HYPERPLASIA.<br> | |||
-NEGATIVE FOR DYSPLASIA.<br> | |||
-PAS STAIN NEGATIVE FOR MICROORGANISMS. |
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