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[Change in location of colorectal cancer in Hungarian patients between 1993-2004].

Abstract：

UNLABELLED:The incidence of proximal tumours in Western countries has steadily increased while that of distal tumours has shown a corresponding decrease. Our aim was to investigate the prevalence, location and histology of colorectal cancers in the last twelve years in Hungarian patients. PATIENTS AND METHODS:Clinical data of 1738 patients diagnosed with colorectal tumors (M/F: 940/798, mean age at diagnosis: 65.2 +/- 12.5 years) between 1st of January 1993 and 31st of December 2004 at the 1st Internal Medicine and 1st Surgery Department of Semmelweis University were enrolled. Pathology and clinical data were analysed retrospectively. The observed periods were the following 1993-1998 and 1999-2004. RESULTS:1694 (97.5%) of the patients had adenocarcinoma (CRC), 15 anaplastic cancers, 9 carcinoid, 6 planocellular, 5 GIST, 3 leiomyoma and 2-2 melanoma, lymphoma and shigillocellular cancers were diagnosed. 75.7% (943/1246) of the CRCs were diagnosed at locally advanced stage (T3-T4), and 47.7% (521/1093) of CRC patients had lymph node metastasis at the time of diagnosis. 11.0% of the CRCs were diagnosed in <50 year-olds (<40 years: 2.5%, <30 years: 0.5%). The location of the CRC was distal in 1186 (rectum: 53.9%, sigmoid/descending: 46.1) and proximal in 508 cases. Synchronous cancers were detected in 12 patients (age: 68.8 +/- 11.6 years, gender: 11 male/1 female, location: rectum and transverse in 6, rectum and ascending/caecum in 5 patients). Age at diagnosis was not different according to gender (M/F: 64.8 +/- 12.0 years vs. 65.8 +/- 12.9 years), but it was lower in patients with rectal cancer compared to left or right sided cancers (64.1 years vs. left: 66.1 years, right: 66.0 years, p = 0.02). Rectal CRC was more common in males, while the proportion of proximal cancers was lower (rectum, M/F: 41.2% vs. 33.5%, proximal M/F: 26.8% vs. 33.8%, p = 0.003). The proportion of rectal cancers increased over the observed period (1993-1998: rectal: 31.6% vs. 1999-2004: 42.1%, p = 0.002). CONCLUSIONS:In contrast to Western countries, the proportion of proximal CRC did not become higher in Hungary. Still more than two-third of the patients were diagnosed to have distal cancers. The proportion of male patients was higher in this subset of CRC. The high percentage of locally advanced and metastatic cancers supports the need for colorectal screening program in Hungary.

journal_name

Orv Hetil

journal_title

Orvosi hetilap

authors

Fuszek P,Horváth HC,Speer G,Papp J,Haller P,Halász J,Járay B,Székely E,Schaff Z,Papp A,Bursics A,Harsányi L,Lukovich P,Kupcsulik P,Hitre E,Lakatos PL

subject

Has Abstract

pub_date

2006-04-23 00:00:00

pages

741-6

issue

eissn

0030-6002

issn

1788-6120

journal_volume

147

pub_type

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[Change in location of colorectal cancer in Hungarian patients between 1993-2004].