NEW RESIDENT UNKNOWNS:
CASE #3
15♂️ w/ pedunculated lesion on upper back
🔬 WSI: https://kikoxp.com/posts/27919
💡 Answer: https://kikoxp.com/posts/27920
📺 Video: https://youtu.be/DBBSB_tD4-s
NEW RESIDENT UNKNOWNS:
CASE #3
15♂️ w/ pedunculated lesion on upper back
🔬 WSI: https://kikoxp.com/posts/27919
💡 Answer: https://kikoxp.com/posts/27920
📺 Video: https://youtu.be/DBBSB_tD4-s
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
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
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
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
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
My new video will be out Friday, but for now, here's a sneak peak...
Can you guess the diagnosis at 1x? #tooFARtodiagnose
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
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
"Just passing through"
- Granular cell tumor infiltrating through muscle
#bstpath #dermpath #pathart @pathology
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
36♀️ w/ ankle nodule
✳️ Reactive, benign or malignant?
✳️ Any syndromic association(s)?
💡 WSI: https://kikoxp.com/posts/20159
🔬 Answer: https://kikoxp.com/posts/20160
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
53♂️ w/ lesion on oral mucosa
➡️ Which component is neoplastic?
➡️ Is the neoplasm benign or malignant?
🔬 WSI: https://kikoxp.com/posts/19807
💡 Answer: https://kikoxp.com/posts/19808
14♂️ w/ finger mass
This lesion is ______:
➡️ Non-neoplastic
➡️ Benign
➡️ Malignant
🔬 WSI: kikoxp.com/posts/19790
💡 Answer: kikoxp.com/posts/19790
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
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