Which of the following is an essential component of cholesteatoma?
A) keratin debris
B) inflammed stroma
C) keratinizing epithelium
D) all of the above
#pathresidents #pathtwitter #bstpath #entpath #headandneckpath #pedipath
🔬tumourclassification.iarc.who.int/Viewer/Index2?…

Mesenteric ___ in a kid may indicate ___
a) sclerosing mesenteritis
b) plexiform neurofibroma
c) desmoid fibromatosis
#GIPath #PediPath #PathTwitter #Pathology

Amniotic web

#pedipath #placenta #pathtwitter #MedTwitter #pathresidency #pathassist

Solitary papule on face of child shared by Dr. Colleen Beatty.
What are these cells? Diagnosis?
Answers: kikoxp.com/posts/10038/
More posts from Dr. Beatty on her Kiko profile: kikoxp.com/colleen_beatty1
#dermpath #dermatology #dermtwitter #pedipath #pathology #pathTwitter

20M, back, hobnail lesion. Diagnosis?
A) Hobnail hemangioma
B) Papillary intralymphatic angioendothelioma
C) Retiform hemangioendothelioma
#BSTPath #PediPath #PathTwitter #Pathology
🔬tumourclassification.iarc.who.int/Viewer/Index2?…

Neurofibromatosis type 1 or 2?
#neuropath #bstpath #pedipath #pathtwitter #pathresidents

Liver tumor in a child #liverpath #pedipath #pathx

The color of Chorio. #placenta #pedipath #PathTwitter #MedTwitter #pathresidency #pathassist

Germline ___ mutations are seen in familial cases of ___
a) APC
b) CTNNB1
#PediPath #BSTPath #PathTwitter #GIPath #pathology

👉🏻Glycogen storage disease
Mosaic pattern
Enlarged hepatocytes with plant-cell like morphology & pale cytoplasm
Prominent cell membranes due to displacement of cell organelles by glycogen to cell periphery
#PathTwitter #pedipath #pathology

Incidental adrenal mass, likely diagnosis based on histology? 🤔

#pedipath #pathology #endocrinepath

Something bony sticking out of the big toe, diagnosis?
A) Bizarre parosteal osteochondromatous proliferation
B) Subungual exostosis
C) Osteochondroma
#pedipath #bstpath #pathology #pathtwitter

Bicornuate uterus
🔸Due to impairment in the fusion of Müllerian ducts.
🔸Isolated or associated w/ uterine & genital malformations (v.g. renal agenesis).
🔸Longitudinal vaginal septum is observed in 25% of cases.
🔸Associated w/ adverse reproductive outcomes. #PediPath #GynPath

PAS-D stain on a neck mass..based on morphology, what is the likely pathogen?
#pedipath #microbiology #path #fungi #MedTwitter 🔬🍄🧐

Cardiac ___ is syndromically associated with ___
#pedipath #pathtwitter #pathology #bstpath #pathx
🔬tumourclassification.iarc.who.int/Viewer/Index2?…

Cytomegalovirus (CMV) placentitis:
✅ never underestimate chronic villitis ..even low grade cases
✅go to high power magnification to hunt for CMV inclusions
✅look for eosinophilic necrotic debris in villi with suspicious viral inclusions
#pedipath #placenta #path

It’s #GrossWordWednesday !! Today’s word is Succenturiate: “an accessory to [organ]”, although I have only seen it used for the #placenta . The succenturiate lobe is smaller than the main lobe and connected to it by blood vessels. #pathtwitter #MedTwitter #pedipath #pathresidents

12 yo boy. Slowly growing violaceous plaque on back since birth.
WSI digital slide: kikoxp.com/posts/11805
Answer ✅ youtube.com/watch?v=Gni-dX…
#pathology #pathologists #pathTwitter #dermpath #dermatology #dermatologia #dermtwitter #BSTpath #pedipath

Olfactory neuroblastoma
✅small round blue cell tumor
✅usually confined to nasal cavity
✅Hyams grade (I through IV) based on:
architecture; fibrillary matrix; mitosis; necrosis; nuclear pleomorphism; rosettes
#pedipath #neuropath #pathology #headandneckpath #bstpath

Lung 🫁 development:

Embryonic (0-7 wk)
Pseudoglandular (8-17wk)
Canalicular (18-27 wk)
Saccular (28-36 wk)
Alveolar (37 wk- 2 yr)

Below is an unfortunate case from a 12 week old fetus.

#pathagonia #pathx #path4people #peds #peds x #pedipath #pathtwitter #medicine #embryology