I am considered by some to be the most common benign tumor of bone

I may occur sporadically or as part of a spectrum of RASopathies (eg. NF1)

I generally affect the metaphyses of long tubular bones

Who am I?

Slide credit: UofMich Online Path Deck

#pathagonia #ortho #Pathx

Interesting case of a distal radius radiolucency.

Here is an XR , COR PD FS, COR T1 and histology from the curettage.

Answer will be posted in a few days.

#BSTPath #radiology #pathology #MSKRad

El próximo 21 de septiembre dará lugar la XXVI Sesión educacional de sarcomas para patólogos moderada por la Dra. Empar Mayordomo (Valencia, Spain) a las 16:30h.

Come watch this video on basic principles to start practicing yoga
#yoga #practiceyoga #prana youtube.com/watch?v=4Wv1qi…

A 58-year-old man with a gluteal tumor of years of evolution.
This is a nice case of a granular cell tumor.

A Classic! What stain is this? What are these cells called? Diagnosis?
More IHC: kikoxp.com/posts/17495
Answer & digital slides 🔬✅ kikoxp.com/posts/17494
Video ⏯️ kikoxp.com/posts/15033
#BSTpath #pathologists #pathology #pathTwitter #ENTpath

Deep soft tissue mass. Diagnosis?
Answer 🔬 kikoxp.com/posts/17749
Videos ⏯️ kikoxp.com/posts/4511& kikoxp.com/posts/16801
Patterns: kikoxp.com/posts/17762 & kikoxp.com/posts/17769
#BSTpath #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

El próximo 6 de julio dará lugar la XXV Sesión educacional de #sarcomas para patólogos moderada por el Dr. Jason Hornick (Boston, USA) a las 16:30h.
Os facilitamos el programa de la sesión 👇👇

A zellballen is a small nest of chromaffin cells or chief cells with pale eosinophilic staining. A zellballen pattern is diagnostic for paraganglioma or pheochromocytoma.
Zellballen is German for 'ball of cells'.

🟢FNA from an axillary lymph node. 63 year old woman.
#thepoweroftheneedle
#cytology #PathTwitter

Skin nodule in arm of teenager. Diagnosis?
Hint: It's NOT myxofibrosarcoma
WSI digital slide: kikoxp.com/posts/21601
Answer: kikoxp.com/posts/21440
Another case: kikoxp.com/posts/17751
#pathology #pathologists #pathTwitter #dermpath #dermatology #bstpath #dermtwitter

35 F with NF1. Deep soft tissue mass. Have you ever seen a pattern like this before??? What's happening here?
More pics: kikoxp.com/posts/16855
Answer: kikoxp.com/posts/15995
101 video: kikoxp.com/posts/4092
#BSTpath #pathologists #pathology #pathTwitter

1⃣ Osteofibrous dysplasia
2⃣ Conventional adamantinoma
Dr. Rosenberg. Luminaries in Pathology USCAP23 #surgpath #bstpath #PathTwitter #pathologists #pathology #USCAP23

Face of elderly sun damaged patient. Diagnosis from one pic?
WSI digital slide & answer: kikoxp.com/posts/18999
Videos: kikoxp.com/posts/6046 & kikoxp.com/posts/7014
#BSTpath #pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter

It is a pleasure to invite you to this webinar (TOMORROW) Marta Martín-Ruiz Paolo Dei Tos Dr JMartín-Broto Nadia Hindi

33 M ear canal. Recurrent violaceous nodule.
WSI digital slide: kikoxp.com/posts/21691
IHC: kikoxp.com/posts/21693
Answer: kikoxp.com/posts/21499
#pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter #BSTpath

“Calcified chondroid mesenchymal neoplasm” is a rare benign soft tissue tumor with a predilection for distal extremities and often confused for a variety of benign and malignant tumors

journals.lww.com/ajsp/fulltext/…