11 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... • Goodpasture syndrome ... Mycobacterial diseases • Fungal ... #dermatology #rash ... #diagnosis #rheumatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Blood Cell (RBC) Morphology ... Atlas • Microcytic ... Myelodysplastic syndrome ... #Atlas #key #diagnosis ... #differential #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... Discoid skin lesions ... #differential #diagnosis
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
FACIAL / NASAL LESIONS ... rhinocleromatis) Fungus ... Autoimmune: • GPA ... Trigeminal trophic syndrome ... #infections #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential Diagnosis ... --> bacterial, fungal ... Generalized itchy rash ... #Dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
Primary lesions ... nettle sting #Diagnosis ... #Dermatology #Skin ... #Nomenclature #Atlas ... #Key #Basics
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... ischemic skin lesions ... mucositis - Rash ... • ANCA (Dx: GPA ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... , mucositis • Rash ... #Differential #Diagnosis ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... Differential Diagnosis ... . hematologic) ... vein thrombosis Hematologic ... Erythematosus #Diagnosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Distribution and Morphology ... hyperkeratotic lesions ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin