69 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Arrows showing posterolateral ... • MRI: Posterolateral ... hallucis longus Differential ... Trigonum #OsTrigonum #Syndrome
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Acute Pharyngitis: Differential ... Acute Retroviral Syndrome ... Treponema pallidum • Diffuse ... viral syndromes ... #Pharyngitis #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal Syndrome ... Definition: Diffuse ... symptomatology Differential ... anti-CCP • CXR (diffuse ... #differential #
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal Syndromes ... and Mimics - Differential ... Diagnosis Framework Diffuse ... Antiphospholipid Syndrome ... #Mimics #Differential
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse ... Churg-Strauss syndrome ... Hermansky-Pudlak syndrome ... #Pulmonology #Differential ... #Causes #Diffuse
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Alopecia) - General (Diffuse ... and Focal) Differential ... • Loose anagen syndrome ... deficiency • Copper ... #dermatology #Differential
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hyperpigmentation - Differential ... HYPOPIGMENTATION Diffuse ... • Piebaldism Diffuse ... McCune Albright syndrome ... #dermatology #Differential
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Cornea 5. ... • Sjögren’s syndrome ... hyperviscosity syndrome ... Blurry #Vision #differential
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Ehlers-danlos Syndrome ... Amyloidosis, Proteus Syndrome ... Diffuse: Lymphangioleiomyomatosis ... Birt-Hogg-Dubé Syndrome ... Lung #Disease #differential
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... (<72 hours) - Differential ... Irritable bowel syndrome ... #Diffuse #Acute ... Abdominal #Pain #Differential