13 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Systemic Lupus Erythematosus ... Lymphoblastic Leukemia ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... purpuric macules • Erythematous ... • Ulcerated, erythematous ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
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 ... -> AML: Blast crises ... CLL -> Invade Skin ... #Hematology #Oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... : erythematous nodules ... Syndrome: - Ocular ... systemic lupus erythematosus ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... , macular, patchy ... Non-autoimmune rheumatologic ... Hodgkin lymphoma and leukemia ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Cryoglobulins: - Composed ... systemic lupus erythematosus ... classification #rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... , breast CA - Hematologic ... Leukocytoclastic vasculitis ... Syndrome #diagnosis #dermatology ... #oncology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: Erythematous nodules ... tract, and often causes ... ulcers, cutaneous, ocular ... Cogan syndrome: Ocular ... Differential #Diagnosis #Rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
of necrotizing vasculitis ... Usually composed ... presenting with erythematous ... differential #diagnosis #dermatology ... #compared
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
malignancies, vasculitis ... pulmonary emboli, and ocular ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology