22 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... lesions that result ... #Diagnosis #hematology ... #nonpalpable #dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Lesions == Macules ... Lesion / Systemic ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology ... #secondary
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... reticularis Differential ... • Goodpasture syndrome ... vasculitis #Dermatologic ... rash #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... lesions • Discoid ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
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 #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... symptoms (eg, skin ... #Algorithm #Differential ... #diagnosis #hematology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Secondary syphilis ... #Lesions #Differential ... #Diagnosis #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
reddish-purple lesions ... in primary or secondary ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
chronic inflammatory disorder ... Autoinflammatory disorder ... lesions + Rheumatic ... #Rheumatology # ... diagnosis #management #Dermatology