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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Differential Diagnosis Algorithm ... • Vitiligo Localized ... leaf" macules) Localized ... disorders #skin #dermatology ... #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Differential Diagnosis Algorithm ... Diffuse Congenital ... • Piebaldism Diffuse ... disorders #skin #dermatology ... #causes
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... and Localized Lymphadenopathy ... Metastatic) #Diffuse ... #Focal #Localized ... #Causes #Hematology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Mechanisms of Pain ... lining) Poorly localized ... , crampy, diffuse ... Differential #Diagnosis #Algorithm ... #Causes
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... Pain (<72 hours ... Differential Diagnostic Algorithm ... Lower quadrant ... Acute #Abdominal #Pain
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Differential Diagnosis Algorithm ... Diffuse: • Tanning ... disorders #skin #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... stress FOCAL / LOCALIZED ... HairLoss #Alopecia #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Causes - Differential ... • Lower quadrant ... Lymphoma/Leukemia Lower ... Ovarian CA Diffuse ... Shingles Poorly Localized
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Lyme in early localized ... dermal macular hyperpigmentation ... HSV + Mycoplasma classic ... classically on the lower ... differential #diagnosis #dermatology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... post-inflammatory hyperpigmentation ... o Localized: Often ... o Pain or burning ... Drug Reactions: Diffuse