13 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Focal Hair Loss Pattern ... Hair Loss Pattern ... Alopecia: - Pattern ... alopecia in men (male pattern ... loss), Female pattern
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... Differential Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Amy Chung, MD, MSc
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
heterogenous group of disorders ... indicates unknown cause ... have specific patterns ... realise, that these patterns ... vascular diseases (e.g
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
/ Ricketts - Diffuse ... • Bone Marrow Disorder ... Malignancy • Drugs (e.g ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Myocarditis: • Diffuse ... Early-repolarization pattern ... leads • S1Q3T3 pattern ... Electrolyte Disorders
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
• Is there a pattern ... Mechanical/degenerative disorders ... weeks) Can Be Caused ... an asymmetric pattern ... Differential #Diagnosis #MSK
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... planopilaris Pattern ... Psychological stress #Diffuse ... #causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Common features and patterns ... depigmentation disorders ... Seen in systemic causes ... o Peripheral patterns ... Drug Reactions: Diffuse
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
recent DAN) • EMG ... Goodpasture's cause ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... • IF staining patterns