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Page 1: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine
Page 2: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine
Page 3: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine
Page 4: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine
Page 5: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine
Page 6: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine

Cutaneous Marginal Zone Lymphoma-B cell immunophenotype

Page 7: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine

CD79a

Page 8: CD79a - Welcome to DermpathMD.com/Dermatopathology … atlas/Cutaneous B-cell Lymphoma-4.pdfLymphoma-B cell immunophenotype. CD79a. Pearls ... Look for infiltration around eccrine

Pearls Bottom heavy lymphoid

infiltrate Grenz zone separates

infiltrate from epidermis May have germinal

centers Look for infiltration

around eccrine ducts Confirm with IHC: B

cells positive for CD20/CD79a