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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... versicolor (more commonly ... #disorders #skin ... #dermatology #Differential ... #causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Lung, Bladder, Colon ... • Metabolic disorders ... (pancytopenia, blast ... #Causes #Hematology
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Differential Diagnosis Algorithm ... versicolor (more commonly ... #disorders #skin ... #dermatology #Differential ... #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eyebrows, perinasal areas ... Erythema with greasy ... background of hyperpigmentation ... - Sun-exposed areas ... with adherent, greasy
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Pinpoint areas ... Vasculitis - Collagen disorders ... #Causes #dermatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... Immunodeficiency disorder ... cancers: Most common ... - gastric and breast ... DDX - Other causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
rash and malaise commonly ... cavity and genital areas ... , anal or oral areas ... resembling rashes caused ... #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
dermal macular hyperpigmentation ... or trunk most commonly ... • Most commonly ... lung, esophageal, breast ... differential #diagnosis #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... Other areas: - ... Internal organs Most common ... Causes: - Idiopathic ... malignancy), lymphoma, breast