1307 results
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
usually involves the DIP ... joints, but not the DIP ... + DIP + 1st CMC ... + all DIP = PsA ... patterns #hand #diagnosis
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Lymphangiomyomatosis, LIP ... #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #LAM #LIP
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
function of the DIP ... distal to the DIP ... Swollen and tender DIP ... Mallet #Finger #Radiology ... #XRay #Diagnosis
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lung diseases LIP ... I-JIP: usual interstitial ... AIP: acute interstitial ... LungDisease #CTILD #Diagnosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
predominance: UIP ... , NSIP, DIP. - Centrilobular ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Lung cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
usually dorsal • DIP ... hyperextension) • DIP ... deformity (if volar DIP ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Summary MCP and PIP ... Involvement, Spares DIP ... Arthritis #RA #diagnosis
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Hypertension on Chest ... PHTN #ChestCT #CTChest ... #Radiology #cardiology ... #diagnosis