11 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... erythematosus ... • Loose anagen syndrome ... - Secondary to Skin ... erythematosus
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... differential #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... erythematosus, ... : Lupus erythematosus ... , Loose anagen syndrome ... #alopecia #Differential
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss ... (Alopecia) - Differential ... - Secondary to Skin ... • Discoid lupus ... erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
arthritis, weight loss ... 3rd Decade Skin ... and permanent alopecia ... Differential ... Arthritis: • Joint pain
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(75%), Weight loss ... Sjögrens (15%) Skin ... , Vasculitis, Purpura ... Demyelinating syndromes ... lesions Abdominal pain
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... reticularis Differential ... • Goodpasture syndrome ... #dermatology #rash
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... lymphadenopathy, pleuritic pain ... nose (epistaxis), skin ... (alopecia, purpura ... causes nephron loss
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Pinpoint areas (less ... lesions • Severe pain ... Autoimmune Vasculitis (lupus ... cryoglobulins • Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: erythematous nodules ... mucositis - Rash ... such as systemic lupus ... erythematosus, ... Anorexia • Weight loss