10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
injuries: Fractures (medial ... can't make A-OK sign ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... anterior sail sign ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... #Humerus #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... • If stable ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
challenging differential diagnosis ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
papules, pustules, cysts ... lower legs over medial ... associated with signs ... • Psoriasis - Elbows ... #differential #diagnosis
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... Medical history ... Stable patients ... perioperative medical ... stratification #diagnosis
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... definitive tissue diagnosis ... #Management #Radiology ... #CTChest #Fleischner ... Pulmonary #Nodules #RadiologyAssistant
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... mucoid gelatinous cyst ... organism (soap bubble sign ... death if ART is started ... Brain #clinical #radiology