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

Do you know who is on our Editorial Board? This month, we featured Farres Obeidin, M.D. in our Spotlight On newsletter.
Sign up to receive these in your email!
https://www.pathologyoutlines.com/subscribe.html

#Editor #spotlight #pathology #BST #bone #softtissue #newsletter #editorialboard #bstpath #pathologyoutlines

38♀️ w/ breast mass

Questions:
➡️ What is the diagnosis?
➡️ What are some key morphologic features of this lesion?
➡️ What immunohistochemical stain(s) would you order?

🔬WSI: https://kikoxp.com/posts/24049
💡Answer: https://kikoxp.com/posts/24051

#dermpath #bstpath @pathology

70♂️ w/ arm mass

➡️ What's your diagnosis?
➡️ What are some classic radiographic and histologic features?
➡️ Any associated molecular abnormalities?

🔬WSI: https://kikoxp.com/posts/24045
💡Answer: https://kikoxp.com/posts/24047

#bstpath @pathology

Top topics of 2022:
#11 Schwannoma with 100,175 views.
Read the topic: https://www.pathologyoutlines.com/topic/softtissueschwannoma.html

#pathology #pathologyoutlines #softtissue #BST #BSTpath #schwannoma

"Just passing through"
- Granular cell tumor infiltrating through muscle
#bstpath #dermpath #pathart @pathology

"Chordoid/Chondroid"
- Chondroid area in an otherwise conventional chordoma
#bstpath #pathart @pathology

Top topics of 2022:
#8 Neurofibroma-general with 104,319 views.
Read the topic: https://www.pathologyoutlines.com/topic/softtissueneurofibroma.html

#pathology #pathologyoutlines #softtissue #Neurofibroma #BSTpath

Spindle cell hemangioma:
👉 Young adults, distal extremities
👉 Dermal/SQ nodule(s)
🔬 Solid + vasoformative
🔬 ±Associated thrombosed BV
🔬 Spindle cells may have small vacuoles (lipoblast-like)
🧬 IDH1/2 mutations (germline = Maffucci syndrome)
#bstpath #dermpath #pathboards @pathology

Glomus Tumor:
💅 Tender, subungual nodule
🔬 Uniform small round cells
🔬 "Punched out" nuclei + distinct borders
🔬 Nested & perivascular arrangement
🔬 Rich vasculature (ranging from small to ectatic)
🔬 Hyalinized-to-myxoid stroma
🎨 SMA(+), Desmin(-)
#bstpath #dermpath #pathology #pathboards @pathology

Diffuse Tenosynovial Giant Cell Tumor:
👨‍⚕️ Benign, but destructive recurrences
🩻 Large joints (knee, hip)
🔬 Infiltrative growth
🔬 "Villonodular" w/ cleft-like spaces
🔬 Mononuclear cells + MNGCs + foamy HCs
🔬 Dense collagen + hemosiderin
🧬 CSF1 rearrangements (1p13)
#bstpath #pathology @pathology

28♂️ w/ severe degenerative joint disease of right hip

Questions:
➡️ What's your diagnosis?
➡️ Where does this entity most commonly occur?
➡️ What is the prognosis for patients with this tumor?

🔬 WSI: https://kikoxp.com/posts/21743
💡 Answer: https://kikoxp.com/posts/21745

#bstpath @pathology

36♀️ w/ ankle nodule

✳️ Reactive, benign or malignant?
✳️ Any syndromic association(s)?

💡 WSI: https://kikoxp.com/posts/20159
🔬 Answer: https://kikoxp.com/posts/20160

#bstpath #dermpath @pathology

RT @KAElominaMD@twitter.com

Have some #bstpath case for sharing!
7/M, forehead mass. 3 months history. 2.5 cm in size.
#pathologists #pathtwitter
- See thread for more photos
@01sth02@twitter.com @JMGardnerMD@twitter.com @JLHornick@twitter.com

🐦🔗: https://twitter.com/KAElominaMD/status/1617823901211590656

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