51 results
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
(Composed of T-helper ... & inflammatory cells ... Constitutional: Fever ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
mutation) that alter ... /Symptoms: - Fever ... Anemia - Giant cells ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
sensory • Before diagnosis ... lateral inguinal ligament ... MeralgiaParesthetica #MSK ... pathophysiology #differential ... #diagnosis #signs
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... GAGL): "Reverse J sign ... clinical #Radiology #diagnosis ... #msk
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... or symptoms (eg ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Diagnosis Algorithm ... papilledema • Horner ... ) • Systemic symptoms ... , fever, myalgia
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... tissue: Epithelioid cells ... at the time of diagnosis ... anterior/posterior MSK ... #Management #Signs
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... Case description ... hallucis longus Differential ... flexion but no symptoms ... #msk
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Median arcuate ligament ... Positive Carnett's sign ... Abdominal #Pain #differential ... #diagnosis
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Celiac Disease - Diagnosis ... suspected: • Signs ... and symptoms of ... without discernable cause ... microscopic colitis Differential