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위암환자에서 복부 임파절 전이에 대한 초음파검사 및 전산화 단층촬영의 진단적 의의
김석균(Seok Kyun Kim),현인영(In Young Hyun),차중직(Joong Jik Cha),홍원선(Weon Seon Hong),이진오(Jhin Oh Lee),강태웅(Tae Woong Kang),백남선(Nam Sun Paik),김기환(Kie Hwan Kim),진수일(Soo Yil Chin) 대한내과학회 1990 대한내과학회지 Vol.39 No.2
N/A Preoperative findings of abdominal ultrasonography (US) and computed tomography (CT) were compared with the postoperative findings with special emphasis on abdominal lymphnode (LN) metastasis in patients with stomach cancer. The 98 patients' enrolled in this study had no evidence of LN and distant metastasis in preoperative abdominal US or CT and underwent operation from January, 1988 to December, 1988 in the Department of General Surgery III, Korea Cancer Center Hospital. Sixty-two (63%) of the 98 patients were confirmed to have LN metastasis in the postoperative pathologic examination: 62%, in 50 patients without LN metastasis in preoperative US and 65%, in 48 patients without LN metastasis in preoperative CT. The senstivity of US was similar to that of CT in predicting LN metastasis. We analyzed the effects of age, sex, abdominal pain, performance status, Borrmann type and size of the tumor on the predictability of LN metastasis, demonstrating that no significant relation- ship was found between these factors and LN metastasis except for the size of the tumor. In patients with a tumor less than 2 cm in diameter, LN metastasis was found in 25%(N1, N2, 0%); in 2-4 cm, 53% (N1, 47%, N2, 6%); in 4-6 cm, 79%(N1 62%, N2 17%); in 6-8 cm, 92% (N1 84%, N2 8%); in more than 8 cm, 839p (N1 66%, N2 17%). The incidence of early gastric cancer (EGC), diagnosed by postoperative pathologic findings, was significantly higher in small-sized tumors compared to the large-sized tumors (p<0.01): in less than 2 cm, 0%. Staging of stomach cancer was performed according to TNM staging grouping approved by UICC and AJC in 1985. The stage showed a progress with the increase in size of the tumor (p<0.01). In less than 2 cm, stage I, II, III and IV were 68, 7, 25and 0%, respectively. In 2-4 cm, stage I, II, IIIand IV were 26, 18.53and 3%, respectively. In 4-6 cm, stage I, II, IIIand IV were 8, 16, 56and 20%, respectively. In 6-H cm, stage I, II, IIIand IV were 0, 15, 75and 15%, respectively. In more than 8 cm, stage I, II, IIIand IV were 0, 0, 50and 50%, respectively. These results suggest that abdominal LN metastasis can not be predicted by US or CT alone. However, dy the addition of size of the tumor to US or CT findings, the predictability of LY, metastasis can be significantly increased in stomach cancer patients.