NEW RESIDENT UNKNOWNS:
CASE #2

30♀️ w/ tender nodule on arm

🔬 WSI: https://kikoxp.com/posts/27917
💡 Answer: https://kikoxp.com/posts/27918
📺 Video: https://youtu.be/bnHQDAtPOGc

#dermpath #bstpath #kiko25 @pathology

NEW RESIDENT UNKNOWNS:
CASE #1

52♂️ w/ lesion on oral mucosa

🔬 WSI: https://kikoxp.com/posts/27915
💡 Answer: https://kikoxp.com/posts/27916
📺 Video: https://youtu.be/YZsFddDg7e0

#dermpath #bstpath #kiko25 @pathology

It's that time of year again, so I figured now would be a great time for a new "New Resident Unknowns"! 😉

Bonus: Beginner's Guide to Approaching (& Describing) Unknowns 📖🤔

Watch On:
YT ➡️ youtu.be/W5g2NvYrZKE
Kiko ➡️ kikoxp.com/posts/27914

#dermpath #bstpath #kiko25 @pathology

It's no secret that I love schwannomas...

Now you can listen to me talk about them for 5+ minutes!

Watch on YouTube:
📺 https://youtu.be/LImAUp7lktA

Review slides on Kiko:
🔎https://kikoxp.com/posts/26471

#bstpath #beautyinthebenign #kiko25 @pathology

I'm back... with more #bstpath!

Check out my video covering 3 important spindle cell tumors:

CASE 1: https://kikoxp.com/posts/26465
CASE 2: https://kikoxp.com/posts/26467
CASE 3: https://kikoxp.com/posts/26469

Watch on:
Kiko ➡️ https://kikoxp.com/posts/26463
YouTube ➡️ https://youtu.be/8Fp1kDtfASs

#kiko25 @pathology

My new video will be out Friday, but for now, here's a sneak peak...

Can you guess the diagnosis at 1x? #tooFARtodiagnose

#bstpath #kiko25 @pathology

50♀️ w/ papule on lower leg

What's your diagnosis?

🔬 WSI: https://kikoxp.com/posts/22786
💡 Answer: https://kikoxp.com/posts/22788

#dermpath #kiko25 @pathology

Tinea nigra:
👩‍⚕️ Superficial fungal infection
👩‍⚕️ Acral surfaces
⚠️ Variably pigmented, clinically mimics atypical melanocytic lesion
🧫 Dematiaceous fungi (i.e
Hortaea werneckii)
🔬 Pigmented hyphae & spores
🔬 Limited to stratum corneum
🔬 No inflammation
#dermpath #kiko25 @pathology

Myrmecia Wart:
👩‍⚕️ Variant of verruca vulgaris
👋 Acral surfaces (palmoplantar)
🧬 HPV-associated (types 1 & 2)
🔬 Typical features of verruca
🔬 +Large, irregular eosinophilic globules (granular & corneal layers)

🔎 Take a closer look: https://kikoxp.com/posts/21105

#dermpath #kiko25 @pathology

67♂️ w/ shoulder mass

✳️ Here's another example of glomus tumor 🔎
✳️ Compared to my previous case, this one has mainly solid growth

CASE 1 ➡️ https://kikoxp.com/posts/15185
CASE 2 ➡️ https://kikoxp.com/posts/20059

Learn more ➡️ https://kikoxp.com/posts/15186

#bstpath #dermpath #kiko25 @pathology

69♀️ w/ lower leg mass

➡️ Differential diagnosis?
➡️ Any helpful morphologic features?
➡️ What IHC would you order to confirm?

🔬 WSI: https://kikoxp.com/posts/19599
💡 Answer: https://kikoxp.com/posts/19600

#bstpath #kiko25 @pathology

It's been awhile since I've posted an example of my favorite entity, so here's a schwannoma with some interesting degenerative changes 😊

🔍 Take a closer look: https://kikoxp.com/posts/19484

#beautyinthebenign #bstpath #kiko25 @pathology

It's been awhile since I've posted an example of my favorite entity, so here's a schwannoma with some interesting degenerative changes 😊

🔍 Take a closer look: https://kikoxp.com/posts/19484

#beautyinthebenign #bstpath #kiko25 @pathology

They say imitation is the sincerest form of flattery...

So I suppose that's what's happening with this dedifferentiated liposarcoma trying it's best to look like a myxoid liposarcoma 👯

➡️ https://kikoxp.com/posts/18970 ⬅️

#kiko25 #bstpath @pathology

RT @MELanocyteMD@twitter.com

67♂️ w/ deep thigh mass

This is a diagnosis of exclusion...
➡️ What do you need to rule-out?
➡️ Which histologic features would be supportive?
➡️ How would you grade this?

🔬 WSI: https://kikoxp.com/posts/18776
💡Answer: https://kikoxp.com/posts/18777

#bstpath #kiko25

🐦🔗: https://twitter.com/MELanocyteMD/status/1607738293961248768

67♂️ w/ deep thigh mass

This is a diagnosis of exclusion...
➡️ What do you need to rule-out?
➡️ Which histologic features would be supportive?
➡️ How would you grade this?

🔬 WSI: kikoxp.com/posts/18776
💡Answer: kikoxp.com/posts/18777

#bstpath #kiko25 @pathology

60♂️ w/ destructive sacral mass

➡️ Most likely diagnosis?
➡️ How would you confirm?
➡️ Any molecular abnormalities?

🔬 WSI: http://buff.ly/3V49UAc
💡 Answer: http://buff.ly/3PBKBV3

#bstpath #kiko25

RESIDENT UNKNOWNS: Case 3

16♀️ w/ plaque-like lesion on back

✳️ Differential diagnosis?
✳️ Typical clinical behavior?
✳️ Potential pitfalls on biopsy?

🔬 WSI: kikoxp.com/posts/16099
💡 Answer: kikoxp.com/posts/16100
📺 Video: youtu.be/t--kbWDiknw

#dermpath #bstpath #pedipath #kiko25 #pathology #pathtwitter #medmastodon #pathmastodon #pathstodon #pathodon

RESIDENT UNKNOWNS: Case 3

16♀️ w/ plaque-like lesion on back

✳️ Differential diagnosis?
✳️ Typical clinical behavior?
✳️ Potential pitfalls on biopsy?

🔬 WSI: kikoxp.com/posts/16099
💡 Answer: kikoxp.com/posts/16100
📺 Video: youtu.be/t--kbWDiknw

#dermpath #bstpath #pedipath #kiko25 #pathology #pathtwitter #medmastodon #pathmastodon #pathstodon #pathodon

RESIDENT UNKNOWNS: Case 2

33♀️ w/ firm nodule on lower leg

✳️ Tumor type & behavior?
✳️ Key histologic features?
✳️ Important diagnostic considerations?

🔬 WSI: kikoxp.com/posts/16097
💡 Answer: kikoxp.com/posts/16098
📺 Video: youtu.be/NQxrqCVr-3k

#pathology #dermpath #kiko25 #pathtwitter #meded #medmastodon #pathmastodon #pathodon #pathstodon