Medical Clinical Case retweeted
Having trouble remembering what to look for on scans for Alzheimer’s dementia?
Want the key findings to stay in your memory?
Medial temporal atrophy (MTA) score quantifies hippocampal volume loss
It rates the amount of CSF around the hippocampus as a marker of volume loss
CSF surrounds the hippocampus like a snake surrounding its prey—how far the snake has gone in getting its prey determines the MTA score:
MTA-1: Choroidal fissure opens, looks like the snake has started to slither in
Remember: the number one looks flat like a slightly opened choroidal fissure
MTA-2: Temporal horn widens, looks like the snake has surround the hippocampus
Remember: the number two look like the CSF curving around as the temporal horn opens
MTA-3: Moderate hippocampal atrophy, looks like the snake has begun to squeeze the hippocampus
Remember: the number three has a tight curve, so it looks like it is crushing the hippocampus & it looks small (atrophied)
MTA-4: Severe hippocampal atrophy, looks like the snake has crushed the hippocampus
Remember: Number four has only a tiny hole in it, so the hippocampus has to be super tiny & atrophied to fit inside!
Hopefully, this will help you commit this rating system to memory so you’ll never forget what you need to say for Alzheimer’s!
Medical Clinical Case retweeted
Carcinoma of the descending colon was the cause of anaemia in this 50-year-old male.
Blink and you'll miss it.
Medical Clinical Case retweeted
Practical classification of pancreatic cystic lesions
When a cystic pancreatic lesion is detected, the first step is to decide whether the lesion is most likely a pseudocyst or a cystic neoplasm.
Medical Clinical Case retweeted
🫀 CardioNugget™
Why might a PFO cause Platypnea-Orthodeoxia Syndrome?
A PFO alone usually doesn't cause a shunt because LA pressure > RA pressure keeps it functionally closed.
In Platypnea-Orthodeoxia Syndrome (POS), an anatomic change (e.g., ascending aortic aneurysm or atrial septal aneurysm) redirects IVC blood toward the PFO when upright, creating a right-to-left shunt.
➡️ Deoxygenated blood bypasses the lungs → ↓ O₂ saturation (orthodeoxia) + dyspnea (platypnea).
POS is a problem of abnormal blood flow direction (streaming), not elevated right atrial pressure.
#CardioNugget™ #EchoBoards #Cardiology #MedEd #FOAMed #PFO #PlatypneaOrthodeoxia
Medical Clinical Case retweeted
Interesting new insight in #MMAembolization for #cSDH:
Liquid embolic penetration into the skull bone was associated with higher hematoma resolution rates (P=0.005) and remained significant on multivariate analysis (P=0.038).
Could the skull–meninges–bone marrow axis be an overlooked player in cSDH biology?
Fascinating finding with potential implications for both technique and pathophysiology.
DOI: 10.1136/jnis-2025-023763
#MMAE #Neurointervention #Neurosurgery
Medical Clinical Case retweeted
A 72-year-old woman presented to the ED with hemoptysis.
Imaging revealed a shocking finding… something unexpected that had been hidden for decades.
What is the diagnosis and finding?
Medical Clinical Case retweeted
Colon polyp characterization starts before the snare.
Four visual checks: Paris morphology, Kudo pit pattern, Sano vessels, NICE NBI pattern.
Which finding slows you down first: depression, irregular pits, or distorted vessels?
Medical Clinical Case retweeted
Spot Diagnosis ❓
A 46-year-old woman presents with a 6-month history of recurrent painful eruptions involving both palms and soles.
On examination:
- Symmetrical involvement of the palms and soles.
- No obvious signs of bacterial infection.
❓What's your diagnosis
Medical Clinical Case retweeted
33-year-old man with shortness of breath presents to the Emergency Department.
- What’s the diagnosis ?
#medtwitter #foamed #foamrad #radiology
Medical Clinical Case retweeted
Yesterday, I saw a young boy with rabies following a stray dog bite.
Every time I see a patient like this, I am reminded that rabies is probably the only neurological disease where the most important treatment should have happened weeks before the patient reached the neurologist.
By the time we see hydrophobia, aerophobia, autonomic storms, agitation, dysphagia or paralysis, the virus has already travelled silently through the peripheral nerves into the brain. At that stage, despite all advances in critical care, our options become extremely limited.
A few practical points that every clinician and every family should know:
• The first treatment is not the anti-rabies vaccine. It is immediate washing of the wound with soap and running water for at least 15 minutes. This simple step can significantly reduce the viral load.
• Never judge the severity of a bite by the size of the wound. A tiny puncture over the finger or face may be more dangerous than a large wound over the leg because these areas are densely supplied with nerves and are closer to the brain.
• Every Category III exposure should make you ask one important question. Was rabies immunoglobulin infiltrated into and around the wound? Injecting it only into the arm or gluteal region misses its main purpose, which is to neutralize the virus where it entered.
• Vaccine schedules save lives only when completed correctly. Missing doses or delaying treatment can have devastating consequences.
• If a patient develops burning or tingling at the old bite site, difficulty swallowing, fear of water, fear of air drafts, unexplained agitation, acute weakness or rapidly progressive encephalitis after an animal bite, rabies should be considered immediately.
For the public, one message is enough.
Never ignore even a stray dog bite. Never rely on home remedies. Wash the wound immediately, seek medical attention the same day and ask whether rabies vaccine and immunoglobulin are required.
Rabies remains one of the deadliest diseases we know, yet it is also one of the most preventable.
The tragedy is not that we cannot treat rabies once it reaches the brain.
The tragedy is that we often miss the opportunity to stop it before it enters the nerve.
#Rabies #Neurology #EmergencyMedicine #DogBite #PublicHealth #NeurocriticalCare #Neurotwitter
Medical Clinical Case retweeted
🔍 Location, location, location! 🔍
Just like in real estate, in radiology, location is everything. 🏠🖥️
Recognizing where's a lesion can be key to narrowing down the list of differential diagnoses 📍📉
👉 But…It’s not the only clue to consider... 🧵👇🏻
Medical Clinical Case retweeted
Necrotic metastasis( in liver), adenopathy ( Porto caval & Porto caval).
Primary is carcinoma of Gall Bladder( lurking at the neck).
Medical Clinical Case retweeted
Pulmonary Embolism (PE) and Left Atrial Thrombus: ctisus.com/teachingfiles/cas…
Medical Clinical Case retweeted
Interesting study: Dilated #IVC in Young Adults With Vasovagal Syncope.
#POCUS #FOAMed #FOAMcc #Nephpearls
The mean IVC diameter and IVC diameter indexed for body surface area were significantly larger in subjects with vasovagal syncope than in the controls (24.6 vs 21.3 mm and 14.4 vs 12.6 mm/m2, respectively [P < .001]).
*[but in general, note that IVC size is bigger in young adults]
🔗 in thread below
Medical Clinical Case retweeted
1/Talk about dangerous liaisons!
Abnormal brain vascular connections like a dural arteriovenous fistula (dural AVF) can be dangerous!
This month’s @theAJNR SCANtastic thread is here to you some durable knowledge about dural AVFs!
ajnr.org/content/45/12/1878
Medical Clinical Case retweeted
1/2
PHYSICAL FINDINGS IN DVT
I recently posted a poll asking what disease/condition was associated with a series of eponymic physical signs.
75% responded correctly that it was DVT.
None of these signs is sufficiently sensitive or specific to be useful in clinical practice.
Medical Clinical Case retweeted
Case of Desmoid-Type Fibromatosis of Breast 🔬
Desmoid-type fibromatosis is a rare, locally aggressive, infiltrative fibroblastic and myofibroblastic spindled cell neoplasm that commonly harbors CTNNB1 or APC mutations.
#PathTwitter #PathX #breastpath #bstpath












































