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LETTER TO THE EDITOR
Year : 2015  |  Volume : 5  |  Issue : 2  |  Page : 52-53

Colorectal carcinoma then and now: What we are learning by comparing two Libyan cancer studies


Department of Medicine, Faculty of Medicine, Libyan International Medical University, Benghazi, Libya

Date of Web Publication30-Mar-2015

Correspondence Address:
Zuhir Bodalal
Department of Medicine, Faculty of Medicine, International Medical University, P.O. Box-15016, Benghazi
Libya
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2231-0770.154201

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How to cite this article:
Bodalal Z. Colorectal carcinoma then and now: What we are learning by comparing two Libyan cancer studies. Avicenna J Med 2015;5:52-3

How to cite this URL:
Bodalal Z. Colorectal carcinoma then and now: What we are learning by comparing two Libyan cancer studies. Avicenna J Med [serial online] 2015 [cited 2019 Jun 17];5:52-3. Available from: http://www.avicennajmed.com/text.asp?2015/5/2/52/154201

To The Editor,

In a previous issue, Elzouki et al. described the pattern of colorectal carcinoma (CRC) in two tertiary hospitals in Benghazi. [1] I applaud their impressive work in helping to fill the void that exists in Libyan cancer epidemiology. The data gathered by the research team covered 2007-2009, before a specialized Oncology department was established at the Benghazi Medical Center and was used as the focal point for all cancer patients in eastern Libya. Similarly, another study regarding colorectal carcinoma in eastern Libya was published dealing with patients diagnosed in the year 2012. [2] By looking at these two recent articles, we can ascertain certain trends regarding our cancer epidemiology:

  • In the 3-year period between 2007-2009, 152 patients were collected as the cohort for CRC cases in Benghazi, whereas that figure jumped to 174 patients in a single year (i.e. 2012). This reflected on the ASR with the figure increasing from 16.14 and 13.89 to 17.5 and 17.2/100,000 for males and females, respectively. The current incidence rate for CRC in eastern Libya is the highest in North Africa [2],[3]
  • Women are more likely to be affected by a right colon tumor while the opposite is true for men. [Table 1] highlights some key comparisons between the two studies
  • While the mean age of diagnosis has increased for both genders, colorectal cancers are being caught at earlier stages (especially stage I which was non-existent in 2007-2009). This is most likely a sequelae of the increased usage of colonoscopy services in Benghazi
  • Mirroring the change in stage of diagnosis, more malignancies are found to be well-differentiated. These are all factors that positively influence the prognosis. The overall portrait painted by these studies is one where increased colonoscopy services are helping to diagnose more colorectal carcinoma cases at earlier stages and at better pathological grades. There seems to be a slight shift of site similar to trends observed in Western countries.
Table 1: Comparison of key parameters seen in colorectal patients in 2007-2009 and 2012

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Screening programs have yet to be established and executed in our hospitals. Individually, gastroenterologists have been doing a large amount of admirable work, carrying the patient load in relatively nascent departments and implementing screening programs on families with hereditary colorectal cancer diseases. Just as colonoscopy usage raised the ASR of colorectal carcinoma in Libya, a screening program would help to reveal the hidden part of the iceberg.

 
   References Top

1.
Elzouki AN, Habel S, Alsoaeiti S, Abosedra A, Khan F. Epidemiology and clinical findings of colorectal carcinoma in two tertiary care hospitals in Benghazi, Libya. Avicenna J Med 2014;4:94-8.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.
Bodalal Z, Bendardaf R. Colorectal carcinoma in a Southern Mediterranean country: The Libyan scenario. World J Gastrointest Oncol 2014;6:98-109.  Back to cited text no. 2
    
3.
Bodalal Z, Azzuz R, Bendardaf R. Cancers in Eastern Libya: First results from Benghazi Medical Center. World J Gastroenterol 2014;20:6293.  Back to cited text no. 3
    



 
 
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