9 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hyperpigmentation - Differential ... Diagnosis Algorithm ... of hair, eyes, skin ... versicolor (more commonly ... #causes
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... - Bimodal Age Distribution ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
summarizes the most common ... to look at the pattern ... of distribution ... more than one pattern ... lobar pneumonia caused
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
and Focal) Differential ... Diagnosis Algorithm ... planopilaris Pattern ... - Secondary to Skin ... #causes
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... - Differential ... Diffuse: • Tanning ... versicolor (more commonly ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Drug Associated (Commonly ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #rheumatology #classification
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... Conditions - Distribution ... Christmas tree pattern ... dermatology #rash #differential ... #common #distribution
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
features of the most common ... types Patterned ... patches; rarely diffuse ... alopecia in 5% of cases ... Alopecia #types #differential
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
features and patterns ... occur in chronic skin ... dermatitis. 4 Distribution ... o Peripheral patterns ... Drug Reactions: Diffuse