11 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 ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... #differential #diagnosis
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
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
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... arteritis, Cogan's Syndrome ... Systemic lupus erythematosus ... M.tuberculosis, M. bovis • Fungi ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... • Malignancy (e.g ... . hematologic) ... vein thrombosis Hematologic ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemia - Skin: erythematous ... mucositis - Rash ... systemic lupus erythematosus ... • ANCA (Dx: GPA ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... associated vasculitis - GPA ... tissue disorder (e.g ... systemic lupus erythematosus ... Cryoglobulins #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... --> bacterial, fungal ... Generalized itchy rash ... SAPHO syndrome ( ... #Dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Systemic lupus erythematosus ... Petechial or purpuric rash ... systemic lupus erythematosus ... #Diagnosis #Management ... #Hematology #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Distribution and Morphology ... and pruritus (e.g ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin