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Objective: To assess the clinical features, prognostic factors and outcome of childhood T-ALL in comparison with B-lineage ALL, treated with a uniform treatment regimen (MCP 841)., Setting: Pediatric oncology division of a tertiary care institution in Northern India., Design: Retrospective analysis of clinical data and survival outcome., Participants: 60 children with T-ALL and 139 with B- lineage ALL, and less than 15 years of age treated over 15 years., Results: T-ALL was observed in 30%. High risk features at presentation (age >10 years, WBC >50,000/mm3, mediastinal mass, and CNS leukemia) were significantly more frequent in T-ALL as compared to B-lineage ALL (P=0.049, P<0.001, P<0.001 and P=0.02, respectively). Fifty five of 60 T-ALL patients (91.7%) achieved complete remission after induction therapy. There were 3 induction and 10 remission deaths while 11 (18.3%) relapsed. The overall survival and event-free survival of T-lineage ALL (61.5±7.6 and 49.9±7.4, respectively) were similar to that of B-lineage patients (68.7±4.7 and 47.1±5.1, respectively). National Cancer Institute risk groups emerged as significant prognostic factor for event free survival only in B-lineage patients., Conclusions: Even though high risk features were significantly more frequent in T-ALL, survival outcome was similar to that of B-lineage patients. None of the routinely described prognostic parameters significantly impacted survival.

Osteogenesis imperfecta (OI) often leads to severe lower limb (LL) deformities due to recurrent fractures that significantly hamper ambulation. We describe our management experience of correction of LL deformities in four children with OI. Medical management consisted of peri and postoperative pamidronate therapy, calcium supplementation and rehabilitative care. Deformities were corrected with multiple osteotomies and intramedullary fixation by titanium elastic nails. At a mean follow-up of 30 months, all children have significantly reduced fracture incidence and have no evidence of recurrence of deformities with improved ambulatory status. We emphasize the importance of combined medical and surgical therapy for these patients.