Abstract

Natural killer (NK) cell lymphoproliferative disorders are uncommon and the Epstein-Barr virus (EBV) plays an important aetiological role in their pathogenesis. We report a 20-year-old male with a chronic active EBV infection associated with a NK cell lymphoproliferative disorder which had an unusual indolent course. He presented to the Sultan Qaboos University Hospital in Muscat, Oman, in December 2011 with a history of intermittent fever and coughing. Examinations revealed generalised lymphadenopathy, hepatosplenomegaly, leukocytosis, transaminitis, diffuse bilateral lung infiltrates and bone marrow lymphocyte involvement. A polymerase chain reaction (PCR) test revealed a high EBV viral load in the peripheral blood cells. The patient received a course of piperacillin-tazobactam for Klebsiella pneumoniae, but no active treatment for the lymphoproliferative disorder. However, his lymphocyte count, serum lactate dehydrogenase and liver enzymes dropped spontaneously. In addition, EBV PCR copies fluctuated and then decreased significantly. He remained clinically asymptomatic over the following four years.

Publication details

DOI
10.18295/squmj.2016.16.02.015
Journal
Sultan Qaboos University Medical Journal, 16(2), 230-233
Publisher
Sultan Qaboos University
Open access
Gold open access
License
CC BY-ND 4.0

Cite this article

APA 7

Al-Riyami, A. Z., Al-Farsi, K., Al-Huneini, M., Mohammed, & Al-Hadabbi, I. (2025). Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder. Sultan Qaboos University Medical Journal, 16(2), 230-233. https://doi.org/10.18295/squmj.2016.16.02.015

MLA 9

Al-Riyami, Arwa Z., et al. "Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder." Sultan Qaboos University Medical Journal, vol. 16, no. 2, 2025, pp. 230-233. https://doi.org/10.18295/squmj.2016.16.02.015.

Chicago (author–date)

Al-Riyami, Arwa Z., Khalil Al-Farsi, Murtadha Al-Huneini, Mohammed, and Ibrahim Al-Hadabbi. 2025. "Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder." Sultan Qaboos University Medical Journal 16 (2): 230-233. https://doi.org/10.18295/squmj.2016.16.02.015.

Harvard

Al-Riyami, A. Z., Al-Farsi, K., Al-Huneini, M., Mohammed and Al-Hadabbi, I. (2025) 'Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder', Sultan Qaboos University Medical Journal, 16(2), pp. 230-233. doi:10.18295/squmj.2016.16.02.015.

Vancouver

Al-Riyami AZ, Al-Farsi K, Al-Huneini M, Mohammed, Al-Hadabbi I. Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder. Sultan Qaboos University Medical Journal. 2025;16(2):230-233. doi:10.18295/squmj.2016.16.02.015

IEEE

A. Z. Al-Riyami, K. Al-Farsi, M. Al-Huneini, Mohammed, and I. Al-Hadabbi, "Unusual Indolent Course of a Chronic Active Epstein-Barr Virus-Associated Natural Killer Cell Lymphoproliferative Disorder," Sultan Qaboos University Medical Journal, vol. 16, no. 2, pp. 230-233, 2025, doi: 10.18295/squmj.2016.16.02.015.