11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
• Xerosis (dry skin ... dermatitis • Psoriasis ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Leukocytoclastic Vasculitis Secondary ... Disease • Cogan syndrome ... #dermatology #rheumatology ... #differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Generalized itchy rash ... SAPHO syndrome ( ... Secondary syphilis ... #Diagnosis #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rheumatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... overlying scale • Psoriasis ... central clearing • Secondary ... Papulosquamous #SkinRash #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
BURROW: burrows are linear ... associated with secondary ... . e.g. psoriasis ... #Diagnosis #Dermatology ... #Nomenclature #Atlas
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Lymphocytes - T or B lineage ... ALL is of B-cell lineage ... bone marrow and secondary ... CLL -> Invade Skin ... #Leukemia #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... DDX: Rule Out Secondary ... with single-lineage ... blood count with differential ... #diagnosis #hematology