Giris ve amaç: Mide ve kolon kanserleri toplumda sik olarak görülmektedirler. Çalismamizin amaci mide ve kolorektal kanser tanisinda bazi semptomlarin ve laboratuar parametrelerinin tanisal belirleyicilik degerlerinin belirlenmesidir. Gereç ve yöntem: Çalismaya endoskopik ve patolojik olarak kanitlanmis 100 mide ve 100 kolorektal kanser hastasi ve kontrol grubu olarak da 50 fonksiyonel dispepsi veya irritabl barsak sendrom tanili hasta alindi. Hastalarin basvuru semptomlari ve öyküleri (kilo kaybi, hematemez, melena, hematokezya, defekasyon aliskanliginda degisiklik, ailede gastrointestinal kanal kanseri öyküsü, operasyon anamnezi), fizik muayene bulgulari (hepatomegali, kitle palpasyonu) ve yine basvurudaki hemoglobin, hematokrit, eritrosit indeksleri, sedimantasyon, gaitada gizli kan, CEA, Ca-19.9, Ca-125 degerleri, radyolojik olarak gastrointestinal kanalda duvar kalinlasmasi veya kitle görünümleri degerlendirildi. Bulgular: Mide kanseri grubunda radyolojik pozitif bulgularin varliginin saptanmasi 37.8 kat yüksek tanisal belirleyicilik degeri artisi göstermekteydi (p=0.003). Ayrica Ca-125 degerlerindeki arti- sinda tanidaki degerliligi istatistiksel anlamliliga yaklasmaktaydi (p=0.074). Kolorektal kanser grubunda ise defekasyon aliskanligindaki degisikliginin 7.3 kat (p=0.038), 16 mm/saat üzerinde sedimantasyon yüksekliginin 37.1 kat (p=0.007) ve yine radyolojik olarak pozitif bulgulari n olmasinin 53.9 kat (p=0.001) tanisal belirleyicilik artisi saglamaktaydi lar. Diger parameterler istatistiksel anlamliliga ulasmadi. Sonuç: Mide ve kolorektal kanser tanisinda degerlendirilen çok sayidaki tanisal parametrelerden özellikle radyolojik olarak gastrointestinal kanal malignitesini düsündürecek bulgular saptanmasinin en yüksek tanisal degere ulastigi gözlenmistir.
Background/aim: Gastric and colorectal carcinomas are prevalent health problems. The aim of the present study was to evaluate predictive values of some symptoms and laboratory parameters in the diagnosis of gastric and colorectal carcinoma. Materials and methods: Endoscopically and pathologically confirmed 100 gastric and 100 colorectal carcinoma patients and 50 patients with functional dyspepsia or irritable bowel syndrome with normal endoscopies were included in the study. Patients’ histories and symptoms on admission (weight loss, hematemesis, melena, hematochezia, bowel habit abnormalities, family history of gastrointestinal tract cancer, history of gastrointestinal tract surgical intervention), physical examination (hepatomegaly, palpable mass), hemoglobin, hematocrit, erythrocyte indexes, sedimentation, fecal occult blood, CEA, Ca-19.9, Ca-125 values, and radiologically detected increased gastrointestinal wall thickness or mass were investigated. Results: Radiological positive findings demonstrated a 37.8-fold increased positive predictive value in diagnosis of gastric cancer (p=0.003). Furthermore, Ca-125 was indicated to have borderline statistical significance in this group (p=0.074). Radiological positive findings, sedimentation rate above 16 mm/h and abnormal bowel habits exhibited a 53.9-fold (p=0.001), 37.1-fold (p=0.007) and 7.3-fold (p=0.038) increased predictive value in the colorectal carcinoma group. Other parameters did not reach statistical significance. Conclusion: Among many diagnostic parameters that are investigated in the diagnosis of gastric and colorectal carcinoma, radiological findings suggesting gastrointestinal tract malignancy in particular reached the highest positive predictive value.