Case Reports Bauhin’s Ileocecal Valve Syndrome—A Rare Cause for Small-Bowel Obstruction: Report of a Case Eviatar Nesher, M.D., Letizia Schreiber, M.D., Nahum Werbin, M.D. Department of Surgery A, Tel-Aviv Souraski Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel Benign ileocecal valve hypertrophy is a rare cause for intestinal obstruction. We describe a 51-year-old female with clinical and imaging presentation of chronic small-bowel obstruction. The patient was operated on, and a limited thickening of the ileocecal bowel wall causing intestinal obstruction was found. A right hemicolectomy was performed. On microscopic examination, severe fibrosis with hypertrophied nerves was found without any additional findings of malignancy or inflammation. Review of the relevant literature is presented. [Key words: Ileocecal valve syndrome; Bauhin’s valve syndrome; Small-bowel obstruction] ined by her attending physician and underwent complete blood laboratory examination, gynecologic examination, colonoscopy, and abdominal ultrasound, all within the normal. When her complaints aggravated, she was referred to our outpatient clinic. On physical examination of the abdomen, distention and hyperperistaltic waves with obstructive peristaltic sounds were remarkable without any palpable mass and a working diagnosis of chronic intestinal obstruction was made, possibly the result of a smallbowel tumor. The patient was hospitalized and a plain abdominal x-ray confirmed the clinical diagnosis of chronic, incomplete, small-bowel obstruction. An abdominal CT examination (Fig. 1) added the findings of a transitional zone at the terminal ileum with a thickening of the bowel wall with extreme small-bowel dilation and the presence of contrast material and gas in the colon. After this information, the patient was operated on. During abdominal exploration very dilated smallbowel loops were seen with a focal, uniform thickening of the ileocecal wall of firm consistency, without any macroscopic evidence of inflammation, vascular engorgement, or neoplastic disease. A formal right colectomy was performed. Macroscopically the resected specimen showed a marked annular thickening of the bowel wall in the area of the ileocecal valve and the mucosa appeared intact. The histologic findings in the thickened ileocecal valve revealed severe fibrosis of the submucosa, muscularis propria, and adjacent fatty tissue C hronic small-bowel, partial obstruction may be caused by various reasons—benign or malignant. We present one of the rare etiologies that causes obstruction: the ileocecal valve benign hypertrophy or Bauhin’s valve syndrome. REPORT OF A CASE A 51-year-old female suffered from intermittent periumbilical colic pain, nausea and vomiting, anorexia, and weight loss of 5 to 6 Kg during six months before her hospitalization. Except for a lumbar discectomy years ago, no other relevant medical history was noted. During that period she was exam- Correspondence to: Eviatar Nesher, M.D., Department of Surgery ‘‘A’’ Ichilov Hospital, 6 Weizman Street, Tel Aviv, Israel, e-mail: [email protected] Dis Colon Rectum 2006; 49: 1–3 DOI: 10.1007/s10350-005-0308-1 * The American Society of Colon and Rectal Surgeons Published online: 16 February 2006 1 NESHER ET AL 2 Figure 1. CT scan: note the very dilated small bowel and the narrowing of the ileocecal area. with hypertrophied nerves and the mucosa was focally eroded (Fig. 2). The ileum and the colon were unremarkable. After an uneventful postoperative course, the patient was discharged on postoperative Day 7. DISCUSSION Gaspard (or Caspar) Bauhin (1560–1624), a botanist, anatomist, and physician, as well as Professor of Greek in Basle, Switzerland, is presumed to be the first to describe the ileocecal valve. His most remarkable contribution to anatomy was the reform in nomenclature, particularly of muscles, renaming them according to: substance (semimembranous), origin Dis Colon Rectum, April 2006 (arytenoideus), shape (deltoid, scalenus), origin and insertion (cricothyroideus, styloglossus), number of heads (triceps, biceps), size (vastus, gracilis), position (pectoralis), and use (pronator and supinator). In botany he distinguished between genus and species and separated botany from materia medica.1 Bauhin’s valve syndrome was first described in 1953 by Debray et al.2 in a patient suffering from recurrent diarrhea and weight loss with an enlargement of the ileocecal valve seen on x-rays. Lasser and Rigler3 also reported on nine patients with Bauhin’s valve enlargement on barium enema, and adding nine more similar cases described the clinical and radiologic presentation. The etiology that they proposed suggests increased fatty infiltration and not a true lipoma; the only drawback for this radiologic dissertation is that no surgical or pathology evidence was produced to confirm the hypothetical diagnosis. Since then, sporadic reports document the syndrome as characterized by vague abdominal pain, cramps, nausea, vomiting, pain in the right upper quadrant or right lower quadrant of the abdomen, distention, constipation, diarrhea, active bleeding, or melena—all presumably caused by a hypertrophic ileocecal valve. Salem and McGee4 described the ileocecal syndrome as a result of lipomatosis of the ileocecal region, and Gazet5 in 1964 detailed the microscopic appearance of a submucosal lipoma involving the ileocecal junction, together with extensive hemorrhagic areas, macrophages containing hemosiderin, and fibrous bands alternating with lipophagic reaction, appearing between the lipoma and the over- Figure 2. A. Normal colonic wall. B. Mucosal and submucosal fibrosis. Vol. 49, No. 4 ILEOCECAL (BAUHIN’S) VALVE SYNDROME lying mucosa. We have not found in our study any excessive lipomatous tissue, and noted only fibrosis of the mucosa and submucosa. The differential diagnosis of a prominent ileocecal valve includes lipomatosis or fat deposition beneath the mucosa, prolapse of the ileocecal valve into the cecum, or a recently reduced intussusception. Lymphoma, adenocarcinoma—primary or metastatic6,7— tuberculosis, or inflammatory bowel disease as well as a solitary cecal ulcer also should be taken into consideration. Outside pressure from a pericecal mass can also cause similar complaints and signs and has to be ruled out, preferably by CT. The hypertropic valve can appear on plain abdominal x-rays as a translucent shadow with or without a central slit or stellate configuration.3,8 CT will demonstrate thickened bowel wall, dilated small bowel, and will rule out external pressure or malignancy in most cases. Colonoscopy should be performed and can be helpful in diagnosis showing changes in size and shape of the ileocecal area, and biopsy specimens can discard the possibility of malignant or inflammatory etiology. The recommended treatment is a limited ileocecal resection if malignancy is ruled out or a formal right colectomy if malignancy is suspected. Recently, a conservative surgical approach was described,9 performing dissection of the hypertrophic and swollen part of the ileocecal sphincter through a cecotomy. 3 Because of the rarity of this syndrome and the much more frequent occurrence of benign or malignant tumors, we recommend resection of the involved bowel, especially in the acute patient with bowel obstruction. REFERENCES 1. Kyle RA, Shampo MA. Gaspard Bauhin. JAMA 1979; 242:1162. 2. Debray C, Rubens-Duval A, Pergola F, et al. Pseudotumoral inflammatory edema of the ileo-cecal valve. Arch Mal Appar Dig Nutr 1953;42:163 – 73. 3. Lasser EC, Rigler LG. Ileocecal valve syndrome. Gastroenterol 1955;28:1 – 16. 4. Salem MH, McGee HH. Hypertrophy of ileocecal valve: plastic repair. Arch Surg 1959;78:928 – 33. 5. Gazet JC. The ileocaecal valve syndrome. Br J Surg 1964;51:371 – 4. 6. Schnur MJ, Seaman WB. Prolapsing neoplasms of the terminal ileum simulating enlarged ileocecal valves. AJR Am J Roentgenol 1980;134:1133 – 6. 7. Rabau MY, Alon RJ, Werbin N, Yossipov Y. Colonic metastases from lobular carcinoma of the breast: report of a case. Dis Colon Rectum 1988;31:401 – 2. 8. Ng AC, Margolis AR. Roentgenographic finding of primary carcinoma of the ileocecal valve. Surgery 1963;54:861 – 4. 9. Di Rienzo M, Mascitelli E, Angelucci D, et al. Surgical conservative treatment for Bauhin’s syndrome. Ann Ital Chir 2002;73:189 – 195.
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