A 44-year-old man presented to his physician with submandibular swelling. He reports losing weight over the past few months.
Excisional biopsy showed grade 2 follicular lymphoma that was positive for CD20, CD10, Bcl-6 and Bcl-2 co-expression, and t(14;18); KI-67, 15%
Imaging showed widespread lymphadenopathy and a large mesenteric mass measuring 11.2 cm
LDH elevated (400 U/L), stage IV follicular lymphoma with bone marrow involvement
The patient was started on R-CHOP
PET/CT imaging at end of therapy was consistent with a complete remission.
November 2015
Follow-up PET/CT at 9 months showed increasing size of the mesenteric mass and progression in the axillary lymph nodes.
A biopsy was pursued at that time confirming relapsed follicular lymphoma.
The patient was initiated on obinutuzumab + bendamustine with plan for obinutuzumab maintenance.
October 2016
Eleven months later, the patient reported having fever and fatigue along with increased swelling in the submandibular node.
PET/CT showed widespread progression with increased size of the mesenteric mass to 12.5 cm and 3 new lesions (3.2 cm, 2.4 cm, 1.8 cm) in the inguinal region.
The patient was started on therapy with idelalisib.
He experienced severe diarrhea from this treatment which was successfully managed with enteric budesonide and systemic corticosteroids.
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