title: Spectrum of lymphoproliferative disorders following renal transplantation in North India.
abstract: Post-transplant lymphoproliferative disorder (PTLD) is a well-recognized, but uncommon complication of organ transplantation. This study was a retrospective analysis of 2000 patients who underwent renal transplantation over a period of 30 years (1980-2010). Forty malignancies were diagnosed in 36 patients. Of these, 29 patients (1.45%) had PTLD (7 females, 22 males) accounting for 72.5% of all malignancies after transplantation. Twenty-two (75.8%) developed non-Hodgkin lymphoma and seven patients (24.2%) had myeloma. Diagnosis was made by biopsy of the involved organ in 21 patients (72.4%) and aspiration cytology in five patients (17.2%). In three patients, the diagnosis was made only at autopsy. Mean age at the time of diagnosis of PTLD was 41.9 years (range 21-69 years). Time interval from transplantation to the diagnosis of PTLD ranged from 3 months to 144 months with a median of 48 months. Only five patients (17.2%) developed PTLD within a year of transplantation. Twelve patients developed PTLD 1-5 years and 12 patients 5-10 years after transplantation. Organ involvement was extra nodal in 18 patients (82%). Thirteen (59%) patients had disseminated disease and nine (41%) had localized involvement of a single organ (brain-3, liver-1, allograft-1, perigraft node-1, retroperitoneal lymph nodes-3). Infiltration of the graft was noted in two patients. Patients with myeloma presented with backache, pathological fracture, unexplained anemia or graft dysfunction. PTLD was of B cell origin in 20 cases (70%). CD 20 staining was performed in 10 recent cases, of which 8 stained positive. Of the 26 patients diagnosed during life, 20 (69%) died within 1 year of diagnosis despite therapy. In conclusion, PTLD is encountered late after renal transplantation in the majority of our patients and is associated with a dismal outcome. The late onset in the majority of patients suggests that it is unlikely to be Epstein Barr virus related.
authors: Department of Nephrology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
authors: V
authors: V
authors: Sakhuja
authors: R
authors: R
authors: Ramachandran
authors: H S
authors: HS
authors: Kohli
authors: V
authors: V
authors: Jha
authors: K L
authors: KL
authors: Gupta
authors: M
authors: M
authors: Rathi
authors: K
authors: K
authors: Joshi
authors: R
authors: R
authors: Nada
authors: A
authors: A
authors: Sharma
authors: M
authors: M
authors: Minz
keywords: Epstein Barr virus; extra nodal; immunosuppression; malignancy
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