19 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... erythematous rash ... #Diagnosis #Dermatology ... #Differential
Sweet’s Syndrome - Acute febrile neutrophilic dermatosis 

The syndrome involves fever, painful rash, neutrophilic leukocytosis, and
Sweet’s Syndrome ... involves fever, ... painful rash, neutrophilic ... neutrophilic #dermatosis #dermatology ... #Rash #Skin #Clinical
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... vasculitis • Henoch ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #rashes #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... infection - RMSF - Henoch ... cryoglobulins • Skin ... #Causes #dermatology ... #physicalexam
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... instability - New-onset fever ... sulfa-drug - Skin ... #Rash #Maculopapular ... #Differential #
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology ... Diagnosis #Algorithm
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... Pityriasis #rosea #clinical ... #dermatology #photo ... #PhysicalExam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... polyangiitis • EGPA • Henoch-Schönlein ... • Goodpasture syndrome
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
petechiae/purpura with fever ... endocarditis, RMSF, and Henoch-Schönlein ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Diagnosis Algorithm ... of hair, eyes, skin ... sclerosis (white "ash ... McCune Albright syndrome ... #dermatology #Differential