The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system

Objective/Background: Lymphoma is a common human cancer that shows a variable geographic incidence worldwide. It is the fourth most common cancer in Jordan. Systemic reports of descriptive epidemiology on lymphoma from the Middle East are limited. Methods: A nationwide multi-institutional retrospect...

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Autores principales: Tariq N. Aladily, Wiam Khreisat, Omar Ashukhaibi, Sohaib M. Alkhatib, Hassan Annab, Musleh S. Tarawneh, Thaher S. Salman, Hussam Abu Farsakh, Randa Mahgoub, Nadwa Bustami, Ahmad T. Mansour, Saif Aldeen AlRyalat, Abdalla S. Abbadi, Feras Al-Fararjeh, Maher Sughayer, Omar Jaber
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Publicado: Elsevier 2021
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spelling oai:doaj.org-article:3137a282b86346e29f21ab72de4627272021-12-02T05:00:00ZThe epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system1658-387610.1016/j.hemonc.2020.10.002https://doaj.org/article/3137a282b86346e29f21ab72de4627272021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1658387620301710https://doaj.org/toc/1658-3876Objective/Background: Lymphoma is a common human cancer that shows a variable geographic incidence worldwide. It is the fourth most common cancer in Jordan. Systemic reports of descriptive epidemiology on lymphoma from the Middle East are limited. Methods: A nationwide multi-institutional retrospective study was conducted covering all major hospitals and laboratories that provide diagnostic services. We collected data on all cases diagnosed with lymphoma between 2014 and 2019. The included variables were patients’ age, gender, anatomic site, and the histologic type according to the World Health Organization classification system. Results: A total of 4189 cases were diagnosed with lymphoma. There was a statistically significant gender difference (p < .05), as 57.5% of patients were males. The peak incidence occurred at age 25–55 years. There were 1,652 (39%) cases of Hodgkin lymphoma (HL) and 2,537 (61%) of non-Hodgkin lymphoma (NHL), where nodular sclerosis (67%) and diffuse large B-cell lymphoma (53%) were the most common subtypes, respectively. The average age-adjusted incidence rates per 100,000 population were 8.01 for all lymphomas, 4.33 for NHL, and 3.16 for HL and all remained stable over the 6 years. Conclusion: HL is the most common lymphoma in Jordan, with a percentage higher than most of reported studies in Asian and Western countries. It also shows a unimodal distribution of age-specific incidence rates, with a single peak in young adults. The incidence rate of HL is higher than Eastern countries but comparable to the West. In contrast, NHL demonstrates a lower incidence rate than Western countries but a similar distribution of subtypes, as mature T/natural killer-cell lymphomas were rare.Tariq N. AladilyWiam KhreisatOmar AshukhaibiSohaib M. AlkhatibHassan AnnabMusleh S. TarawnehThaher S. SalmanHussam Abu FarsakhRanda MahgoubNadwa BustamiAhmad T. MansourSaif Aldeen AlRyalatAbdalla S. AbbadiFeras Al-FararjehMaher SughayerOmar JaberElsevierarticleEpidemiologyJordanLymph nodeLymphomaHodgkinNon-HodgkinDiseases of the blood and blood-forming organsRC633-647.5Neoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENHematology/Oncology and Stem Cell Therapy, Vol 14, Iss 4, Pp 336-342 (2021)
institution DOAJ
collection DOAJ
language EN
topic Epidemiology
Jordan
Lymph node
Lymphoma
Hodgkin
Non-Hodgkin
Diseases of the blood and blood-forming organs
RC633-647.5
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle Epidemiology
Jordan
Lymph node
Lymphoma
Hodgkin
Non-Hodgkin
Diseases of the blood and blood-forming organs
RC633-647.5
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Tariq N. Aladily
Wiam Khreisat
Omar Ashukhaibi
Sohaib M. Alkhatib
Hassan Annab
Musleh S. Tarawneh
Thaher S. Salman
Hussam Abu Farsakh
Randa Mahgoub
Nadwa Bustami
Ahmad T. Mansour
Saif Aldeen AlRyalat
Abdalla S. Abbadi
Feras Al-Fararjeh
Maher Sughayer
Omar Jaber
The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
description Objective/Background: Lymphoma is a common human cancer that shows a variable geographic incidence worldwide. It is the fourth most common cancer in Jordan. Systemic reports of descriptive epidemiology on lymphoma from the Middle East are limited. Methods: A nationwide multi-institutional retrospective study was conducted covering all major hospitals and laboratories that provide diagnostic services. We collected data on all cases diagnosed with lymphoma between 2014 and 2019. The included variables were patients’ age, gender, anatomic site, and the histologic type according to the World Health Organization classification system. Results: A total of 4189 cases were diagnosed with lymphoma. There was a statistically significant gender difference (p < .05), as 57.5% of patients were males. The peak incidence occurred at age 25–55 years. There were 1,652 (39%) cases of Hodgkin lymphoma (HL) and 2,537 (61%) of non-Hodgkin lymphoma (NHL), where nodular sclerosis (67%) and diffuse large B-cell lymphoma (53%) were the most common subtypes, respectively. The average age-adjusted incidence rates per 100,000 population were 8.01 for all lymphomas, 4.33 for NHL, and 3.16 for HL and all remained stable over the 6 years. Conclusion: HL is the most common lymphoma in Jordan, with a percentage higher than most of reported studies in Asian and Western countries. It also shows a unimodal distribution of age-specific incidence rates, with a single peak in young adults. The incidence rate of HL is higher than Eastern countries but comparable to the West. In contrast, NHL demonstrates a lower incidence rate than Western countries but a similar distribution of subtypes, as mature T/natural killer-cell lymphomas were rare.
format article
author Tariq N. Aladily
Wiam Khreisat
Omar Ashukhaibi
Sohaib M. Alkhatib
Hassan Annab
Musleh S. Tarawneh
Thaher S. Salman
Hussam Abu Farsakh
Randa Mahgoub
Nadwa Bustami
Ahmad T. Mansour
Saif Aldeen AlRyalat
Abdalla S. Abbadi
Feras Al-Fararjeh
Maher Sughayer
Omar Jaber
author_facet Tariq N. Aladily
Wiam Khreisat
Omar Ashukhaibi
Sohaib M. Alkhatib
Hassan Annab
Musleh S. Tarawneh
Thaher S. Salman
Hussam Abu Farsakh
Randa Mahgoub
Nadwa Bustami
Ahmad T. Mansour
Saif Aldeen AlRyalat
Abdalla S. Abbadi
Feras Al-Fararjeh
Maher Sughayer
Omar Jaber
author_sort Tariq N. Aladily
title The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
title_short The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
title_full The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
title_fullStr The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
title_full_unstemmed The epidemiology of lymphoma in Jordan: A nationwide population study of 4189 cases according to World Health Organization classification system
title_sort epidemiology of lymphoma in jordan: a nationwide population study of 4189 cases according to world health organization classification system
publisher Elsevier
publishDate 2021
url https://doaj.org/article/3137a282b86346e29f21ab72de462727
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