8 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
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... / Ricketts - Diffuse ... • Bone Marrow Disorder ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
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
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... planopilaris Pattern ... Secondary to Skin Disease ... Differential #Diagnosis #Algorithm ... #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... mononeuritis multiplex WORKUP ... Goodpasture's cause ... • IF staining patterns
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
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 ... o Peripheral patterns ... . 6 Causes and ... Drug Reactions: Diffuse
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
most common types Patterned ... of autoimmune disease ... patches; rarely diffuse ... alopecia in 5% of cases ... other psychiatric disorders