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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... sclerosis (white "ash ... #disorders #skin ... #causes
An Approach to the Unknown Rash: Petechial-Purpuric Rash 
#Diagnosis #Dermatology #Petechial #Purpura #Purpuric #Rash #Palpable #Algorithm
An Approach to the ... Unknown Rash: Petechial-Purpuric ... #Dermatology #Petechial ... #Palpable #Algorithm ... #Differential #ALiEM
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... sclerosis (white "ash ... #disorders #skin ... #dermatology #Differential ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Petechiae #Rash ... #Causes #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... Diagnosis Algorithm ... Herpes zoster (shingles ... #causes
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Differential Diagnosis Algorithm ... #disorders #skin ... #dermatology #Differential ... #causes
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... specific to a single ... PETECHIAE and PURPURA ... : Petechiae are ... a generalized disorder
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 ... depigmentation disorders ... occur in chronic skin ... post-inflammatory hyperpigmentation ... Seen in systemic causes
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... caused by blood ... just beneath the skin ... by bleeding (petechiae ... Syndromes #diagnosis #hematology