The cells have a patchy positivity for CD30
|B.||The disease usually involves lymph nodes and affects females more commonly than males|
This entity is a type of T-cell lymphoma
Fluorescent in-situ hybridization (FISH) studies for ALK rearrangement should be performed regardless if immunohistochemistry for ALK is negative
Answer : C This entity is a type of T-cell lymphoma
Epstein Barr virus should have a strong and diffuse positivity for CD30.
ALK-negative anaplastic large cell lymphoma (ALCL) affects males more commonly than females.
ALCL is classified as a type of T-cell lymphoma.
FISH studies for ALK rearrangement are not necessary if ALK immunohistochemistry is negative.