A physician is working up a patient.Based on physical examination,history,and initial screening tests,the physician suspects anaplastic large cell lymphoma (ALCL),but still needs to rule out classical Hodgkin lymophoma (HL).Which of the following test results would confirm ALCL?

Question

Quizplus · Accepted Answer

ALCL is typically CD15 negative and CD30 positive, while HL is CD15 positive and CD30 positive. Therefore, a CD15 negative, CD30 positive result would confirm ALCL and rule out HL.

A Physician Is Working Up a Patient