Misha Rosenbach, MD
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misharosenbach.bsky.social
Misha Rosenbach, MD
@misharosenbach.bsky.social
Dermatologist (medical derm, granulomas [sarcoid & more], neutrophilic dzs [PG/Sweets/etc], inpatient derm, drug reactions [SJS/DRESS], MedEd, climate & sustainability) @pennmedicine.bsky.social Residency PD @PennDerm. Views mine, not medical advice
This rare skin finding almost always occurs just like this; pretty pathognomonic. If writing a board exam q clues might be pt w Down syndrome or pt taking penicillamine
#dermatology in new #DermSky account @jamadermatology.com
November 22, 2025 at 11:12 AM
Those follicular spicules are crazy! Remind me a little of myeloma spicules. And this case reminds me of our other @jamadermatology.com VAT case:

jamanetwork.com/journals/jam...
Viral-Associated Trichodysplasia
Background Viral-associated trichodysplasia of immunosuppression is a rare cutaneous eruption that is characterized by follicularly based shiny papules and alopecia with characteristic histopathologic...
jamanetwork.com
November 21, 2025 at 11:36 PM
(Spoiler alert re diagnosis:
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the answer is bullous tinea)
November 20, 2025 at 9:47 AM
That is a fantastic picture @jamadermatology.com
November 20, 2025 at 9:46 AM