Which diagnostic step is essential to confirm lymphoma diagnosis?

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Multiple Choice

Which diagnostic step is essential to confirm lymphoma diagnosis?

Tissue confirmation with histopathology is required to diagnose lymphoma. An excisional or incisional biopsy provides the actual architecture of the lymphoid tissue, allowing pathologists to identify malignant lymphoid cells and assess patterns that distinguish lymphoma from reactive processes. Immunohistochemistry and flow cytometry on the biopsy sample further classify the lymphoma subtype, which is essential for guiding treatment. Other tests like CBC with differential, chest X-ray, or abdominal ultrasound can reveal abnormalities or help with staging, but they cannot definitively establish lymphoma. They may be supportive findings or used for planning, but they do not confirm the diagnosis on their own.

Tissue confirmation with histopathology is required to diagnose lymphoma. An excisional or incisional biopsy provides the actual architecture of the lymphoid tissue, allowing pathologists to identify malignant lymphoid cells and assess patterns that distinguish lymphoma from reactive processes. Immunohistochemistry and flow cytometry on the biopsy sample further classify the lymphoma subtype, which is essential for guiding treatment.

Other tests like CBC with differential, chest X-ray, or abdominal ultrasound can reveal abnormalities or help with staging, but they cannot definitively establish lymphoma. They may be supportive findings or used for planning, but they do not confirm the diagnosis on their own.

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