30 M with night sweats and new subcutaneous leg nodules. Answer ✅ youtu.be/_zZ6Da7qhiE #pathology #pathologists #pathTwitter #dermpath #dermatology #hemepath #dermatologia #dermtwitter

Before clicking SIGN OUT: Check: Name on requisition Name on slides Name on computer screen (This habit has saved me… too many times)

Vulvar skin biopsy. Erythematous pruritic eruption. Your diagnosis? Answer ✅ youtu.be/r_jYeBjCeXk Only H&E stain needed for this one! #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter #gynpath #obgyntwitter

Skin biopsy. A pathology classic. One pic only. Answer ✅ youtu.be/yfs42lmFZfU #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter #usmle

What is the description or diagnosis ? #Causes? #MedX #MEDHM Dr Ihab Suliman

Today I learned that dermatophyte hyphae are autofluorescent and appear yellowish on FITC-labelled DIF. I also noticed that no immunoglobulin was bound to them. Why no immune response?

What #dermpath "sign" is this? Diagnosis? Answer ✅ youtu.be/C1n7SvyV2HI?si… More pics kikoxp.com/posts/17377 More info: kikoxp.com/posts/7963 #pathology #pathologists #pathTwitter #dermatology #dermatologia #dermtwitter

Vulvar biopsy. Diagnosis? hint: it's NOT mycosis fungoides! Digital slide🔬 kikoxp.com/posts/17370 Answer ✅ youtu.be/bEaJuxQFHyM?si… #pathology #pathologists #pathTwitter #dermpath #dermatology #GYNpath #dermtwitter

Skin biopsy. Can you make the diagnosis from one pic, or is it #TooCloseToDiagnose? Answer ✅ youtube.com/watch?v=UnToS3… #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

I thought this was a fairly good example of lichen planopilaris.

47-year-old man presented with this rash that had developed on both hands 1 week after an episode of sore throat. Likely diagnosis?

65M with an itchy rash noted on buttocks and thighs for over 5 years. What’s the diagnosis?

Child presents with this rash for the past 2 weeks. What is your diagnosis? #MedX #MEDHM Dr Ihab Suliman

Gastric metaplasia of duodenum. Hard to see on H&E, but MUC5AC highlights it nicely.

A man in his 60s with a medical history of hypertension, hyperlipidemia, and coronary artery disease presented with multiple asymptomatic purpuric macules that had been persistent for more than 2 decades. What is your diagnosis? ja.ma/4fM896D

Nice case from JAMA Dermatology

Up in this month’s NEJM image challenge is a 44M with this acute onset itchy rash and fever. What do you reckon?

10/👦🏻, previously healthy, w/ 5d hx of pruritic tense bullae on arms, trunk, face. New blisters arise at lesion periphery, forming annular/arciform patterns w/ central crusting. No recent infxn or med exposure (incl. abx/NSAIDs). DDx❔

A woman presents with chronic diarrhea and abdominal pain What’s the diagnosis?