10 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA) is common ... disease or more commonly ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... prognosis • Nodular ... • Classic - Nodular ... pathophysiology #Hematology ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
symptoms - most common ... Diagnosis: • hemolytic ... younger pts) Differential ... #anemia #hematology ... #diagnosis
Types of Melanoma
Superficial Spreading
 • Most common form
 • Often develops in previously benign mole
 •
Most common place ... all melanomas Nodular ... Melanoma #Types #differential ... #diagnosis #classification ... #dermatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... cancers: Most common ... Ground-glass opacities • Nodules ... and autoimmune hemolytic ... hypogammaglobulinemia #immunology #hematology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
dietary intake - uncommon ... pregnant have hemolytic ... deficiency #FolicAcid #differential ... #diagnosis #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... subtypes: - Nodular ... (NSHL) - (most common ... Immunohistochemical studies (to differentiate ... classification #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or trunk most commonly ... • Most commonly ... reddish-purple nodules ... comparison #table #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Nodosa: • PAN most commonly ... : Erythematous nodules ... palpable purpura, nodules ... #Diagnosis #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... Firm red to brown nodule ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin