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Stomach and Intestine(Tokyo) Volume 29, Issue 6 （May 1994）

胃と腸 29巻6号（1994年5月発行）

Japanese English

今月の主題アフタ様病変のみのCrohn病

主題

アフタ様病変のみのCrohn病―典型的Crohn病との差異とその経過 Crohn's Disease Exclusively Composed of Aphthas, Comparison with Typical Crohn's Disease and its Clinical Course 八尾恒良 ¹ , 桜井俊弘 ¹ , 松井敏幸 ¹ , 瀬尾充 ² , 前田和弘 ² , 岡田光男 ² , 檜沢一興 ³ , 青柳邦彦 ³ , 飯田三雄 ⁴ , 岩下明徳 ⁵ Tsuneyoshi Yao ¹ , Toshihiro Sakurai ¹ , Toshiyuki Matsui ¹ , Mitsuru seo ² , Kazuhiro Maeda ² ¹福岡大学筑紫病院消化器科 ²福岡大学医学部第1内科 ³九州大学医学部第2内科 ⁴川崎医科大学内科学消化器Ⅱ ⁵福岡大学筑紫病院病理 ¹Department of Internal Medicine, Fukuoka University Chikushi Hospital ²The Second Department of Internal Medicine, School of Medicine, Fukuoka University キーワード： Crohn病 , アフタ , アフタ様潰瘍 , 長期経過 , 栄養療法 Keyword: Crohn病 , アフタ , アフタ様潰瘍 , 長期経過 , 栄養療法 pp.507-519

発行日 1994年5月25日 Published Date 1994/5/25

DOI https://doi.org/10.11477/mf.1403105791

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要旨　アフタ様病変のみから成るCrohn病21例(以下，A型Crohn病)と典型的Crohn病(以下，O型Crohn病)166例を比較した．(1)男女比はA型で有意に高く，腹痛，下痢，発熱，体重減少は有意に少なかった．肛門症状のみを訴えた7例があった．また，A型では活動指数は低く，栄養状態は良好，炎症所見は有意に低値であった．以上の成績から，A型Crohn病はO型Crohn病の初期病変と考えられ，その発見には肛門症状を訴える若年者に大腸内視鏡検査を施行することが重要と思われた．(2)A型Crohn病の病変は食道14％，胃・十二指腸各95％，小腸86％，大腸100％の頻度でみられた．大腸でアフタが縦列したものは1/5以下であった．初回生検は胃，十二指腸から平均7個，大腸から20個採取され，15例(71％)に肉芽腫が認められた．(3)栄養療法で病変はすべて消失，消褪，改善した．しかしすぐに再燃し，長期的には増悪するものが多かった．O型Crohn病進展例は6例(経過期間約2～4年)．長期消失・消褪例3例(4～6年)で，前者に濃厚な治療が施行されていた．以上のことから，A型Crohn病の中にも種々の病態のものが含まれていると考えられた．

　Twenty one cases of Crohn's disease exclusively composed of aphthas (type A Crohn's disease) were analyzed in comparison with 166 cases of typical Crohn's disease (type O Crohn's disease).

　Type A Crohn's disease had significantly higher male/female ratio and lower incidence of abdominal pain, diarrhea, fever, and loss of weight than type O Crohn's disease. Seven patients with type A Crohn's disease complained of anal symptoms. Type A Crohn's disease patients usually had lower activity index and preserved good nutritional condition and significantly loweri nflammatory signs on laboratory examinations. These results suggested that type A Crohn's disease might be an early stage of type O Crohn's disease and it would be important to perform colonoscopic examination in young patients with anal symptoms to detect type A Crohn's disease.

　The location and incidence of lesions of type A Crohn's disease were as follows; the esophagus 14%, stomach and duodenum 95%, small intestine 86%, large intestine 100%. Only less than a fifth cases had longitudinally aligned aphthas in the large intestine. In the initial endoscopic biopsy examinations, seven pieces of specimen from the stomach and duodenum, 20 pieces of specimen from large intestine were taken on the average, granulomatous lesions were found in 15 cases (71%).

　The nutritional therapy remitted and/or cured two lesions, but recurred shortly and deteriorated in the long run. Six cases progressed to type O Crohn's disease (about two to four years after the initial diagnosis), three cases has been remitted for a long time (four to six years). The former cases had received intensive treatments. These results suggest that type A Crohn's disease may contain different stages and pathophysiology of the disease.