• Abdul Wajid Moothedath, Rachna Seth, Aanchal Kakkar, M C Sharma, and Debasish Sahoo.
• Department of Paediatrics, Division of Paediatric Oncology, All India Institute of Medical Sciences, New Delhi 110029, India.
• Natl Med J India. 2021 Nov 1; 34 (6): 343-346.

AbstractPrimary endobronchial presentation of anaplastic large cell lymphoma is rare in the paediatric age group. We present a 12-year-old boy with breathlessness, fever, cough and weight loss, who was misdiagnosed as a case of tuberculosis and started on antitubercular therapy, which showed no improvement. Chest X-ray showed a completely opacified left hemithorax and chest computed tomography revealed a mass encircling the left main bronchus with collapse- consolidation of the left lung. Fibreoptic bronchoscopy revealed a growth in the left main bronchus. Subsequently, fine-needle aspiration cytology and biopsy from the mass confirmed it to be a malignancy consistent with anaplastic large cell lymphoma. Metastatic work-up revealed no other sites of involvement. Chemotherapy resulted in rapid and complete regression of the tumour. No evidence of local or distant recurrence was reported after 18 months of follow-up. Clinicians and pathologists should be aware of this presentation as prompt diagnosis and treatment can give promising results. This case highlights the importance of timely tissue diagnosis in patients with non-resolving pyrexia and organ lesions on imaging.

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