Background: Anaplastic large cell lymphoma (ALCL) is an uncommon T-cell lymphoma, accounting for 10-15% of pediatric non-Hodgkin lymphoma (NHL). Outcomes of ALCL have not improved in recent years despite better chemotherapy and supportive care. This study aimed to analyze the clinical profile and outcomes of pediatric ALCL patients at our center.
Materials and methods: Medical records of children with ALCL from July 2017 to December 2019 were reviewed. Their clinical and laboratory details were noted. The outcomes of all patients were recorded.
Results: Ten patients were diagnosed with ALCL during this period. The median age at diagnosis was 8 years, with 7 patients being boys. Lymph nodes were the primary site of involvement in four children. Extranodal involvement was seen in 60%. One patient had the underlying chronic granulomatous disease (CGD). Systemic (B) symptoms were seen in 70%. Three children had hemophagocytic lymphohistiocytosis (HLH) at presentation. All of them had stage-III disease. Seven patients were treated on the Berlin-Frankfurt-Münster-non-Hodgkin lymphomas (BFM-NHL) 90 protocol and three children are currently in remission. Four patients had disease relapse/progressive disease while on therapy. Three children had HLH at presentation and all had poor outcomes.
Conclusions: Pediatric ALCL has diverse and atypical clinical presentation and a high index of suspicion is needed for diagnosis. ALCL is an aggressive malignancy and is responsive to multiagent chemotherapy, though survival has not improved over the past decade. The integration of novel agents may improve the outcome.
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