54 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... sequestrum, cloaca, and ... blade of grass sign ... #Differential # ... Radiology #XRay
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... multiple round and ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
bone cyst • Osteoid ... sequestrum, cloaca, and ... blade of grass sign ... #Differential # ... Diagnosis #Radiology
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... Cyst Malignant ... Tumours #MSK #Differential ... Diagnosis #Algorithm #Orthopedics ... Causes #Oncology #Radiology
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
with a typical finger-in-glove ... setting (asthma and ... #Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... Discharge with orthpedic ... #Radiology #XRay ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... Wrist #Carpal #Radiology
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
cyst must be added ... to the differential ... Fibrous dysplasia and ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... X-Ray Mallet finger ... Terry thomas sign ... Fractures #XRay #Radiology ... #Wrist #differential