18 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Antiphospholipid-antibody ... Sarcoidosis #dermatology ... #differential #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Associated - SLE ... #hematology #rheumatology ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
in drug-induced SLE ... scleroderma) - Anti-Scl ... ANCA-Associated Vasculitis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... cryoglobulins • Skin ... #Algorithm #Causes ... #dermatology #physicalexam
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins Cause ... Labs/Diagnosis: ... Antineutrophil cytoplasmic antibody
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... mucositis - Rash ... , and SLE) • Urinalysis ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... Malignancy (e.g. hematologic ... Seizures • Strokes Skin ... La, anti-Jo-1, SCL
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... of necrotizing vasculitis ... gyratum repens • A skin ... #differential #diagnosis ... #dermatology #compared