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Petersen VC, Sheehan AL, Bryan RL, Armstrong CP, Shepherd NA. Misplacement of dysplastic epithelium in Peutz-Jeghers Polyps: the ultimate diagnostic pitfall? Am J Surg Pathol 2000; 24:34-9. [PMID: 10632485 DOI: 10.1097/00000478-200001000-00004] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Peutz-Jeghers syndrome is characterized by multiple polyps throughout the gastrointestinal tract in association with mucocutaneous pigmentation. Small bowel polyps in the syndrome may exhibit epithelial misplacement, into the submucosa, the muscularis propria, and even the subserosa. The authors demonstrate two patients in whom there is also misplacement of dysplastic epithelium into the submucosa and muscularis propria of the small bowel. Epithelial misplacement is recognized to mimic invasive malignancy. Such mimicry is heightened substantially when the misplaced epithelium is dysplastic. Correct interpretation of the histologic changes is aided by the use of special stains, which demonstrate the associated lamina propria and the lack of a desmoplastic response, and immunohistochemistry, which shows that the misplaced dysplastic epithelium is accompanied by non-neoplastic mucosa. There is an increased prevalence of gastrointestinal malignancy in Peutz-Jeghers syndrome. However, the presence of perplexing histologic features, caused by epithelial misplacement, especially when some of that epithelium is dysplastic, in small bowel polyps at least has the potential for the overdiagnosis of malignancy in the syndrome.
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Abstract
We describe the magnetic resonance (MR) findings in patients with gastrointestinal polyposis syndromes using breath-hold T1-weighted sequences, both standard and with fat suppression, prior to and following gadolinium administration, and breathing-independent single-shot half-Fourier RARE T2-weighted sequences. Six patients with gastrointestinal polyposis syndromes underwent MR examination to investigate for the presence of metastatic disease. The appearances of the gastrointestinal polyps on noncontrast T1-weighted spoiled gradient-echo (SGE), T2-weighted (half-Fourier RARE) images, and early and late gadolinium-enhanced SGE images were determined. Other gastrointestinal findings and extragastrointestinal disease were also evaluated. Patients with the following gastrointestinal polyposis syndromes were included: familial polyposis (n = 3), Peutz-Jeghers syndrome (n = 1), Gardner's syndrome (n = 1), and neurofibromatosis (n = 1). Polypoid lesions in all patients exhibited signal intensity comparable to bowel on noncontrast images and enhanced similar to bowel on early and late gadolinium-enhanced images. Polyps larger than 2 cm, observed in one patient with familial polyposis and the patient with Gardner's disease, showed mild heterogeneity on late gadolinium-enhanced fat-suppressed images. Multiple colonic polyps ranging from 5 mm to 3 cm in diameter were observed in patients with familial adenomatous polyposis. A solitary 1.5 cm polyp associated with entero-enteric intussusception was observed in the patient with Peutz-Jeghers syndrome. Gastric polyps ranging from 5 mm to 6 cm were observed in the stomach of the patient with Gardner's syndrome. Duodenal and jejunal neurofibromas ranging from 1 to 2 cm in diameter were present in the patient with neurofibromatosis. Extra gastrointestinal findings included an adrenal adenoma (1 patient), a pheochromocytoma (1 patient), and liver metastases (2 patients). Gastrointestinal polyps in patients with polyposis syndromes may be visualized on MR images employing breath-hold T1-weighted and breathing-independent snapshot T2-weighted techniques. Appreciation of polyp enhancement on post-gadolinium images is an important finding, which should help distinguish polyps from bowel contents.
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Togashi K, Konishi F, Ishizuka T, Sato T, Senba S, Kanazawa K. Efficacy of magnifying endoscopy in the differential diagnosis of neoplastic and non-neoplastic polyps of the large bowel. Dis Colon Rectum 1999; 42:1602-8. [PMID: 10613481 DOI: 10.1007/bf02236215] [Citation(s) in RCA: 128] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE We have introduced magnifying colonoscopy into clinical practice and analyzed its diagnostic efficacy, especially regarding the ability to distinguish neoplastic from non-neoplastic polyps. METHODS The materials consisted of 923 polyps. After identifying the lesions during normal colonoscopy, a dye was sprayed, and then the zoom apparatus of the colonoscope was used to make a magnified observation at a maximum 100 times magnification. We classified the crypt orifices into six categories and labeled them A to F as follows: A, a medium round appearance; B, an asteroid appearance; C, an elliptic appearance; D, a small, round appearance; E, a cerebriform appearance; F, no apparent structural appearance. RESULTS Forty-two of 923 polyps did not reveal any clear images of crypt patterns. The percentage of histologically neoplastic change in the lesions classified as A, B, C, D, E, and F were 10, 15.9, 93.7, 100, 94.8, and 87.5 percent, respectively. When we considered types A and B to represent a crypt pattern of non-neoplastic lesions, and types C, D, E, and F to represent neoplastic lesions, and when the lesions that did not show any clear images were classified as a misjudgment, the diagnostic accuracy of neoplastic lesions (sensitivity) was 92 percent and that of non-neoplastic lesions (specificity) was 73.3 percent. Overall, the diagnostic accuracy in differentiating neoplastic from non-neoplastic lesions was 88.4 percent. Twenty-three neoplastic lesions that were misjudged to be non-neoplastic were histologically adenoma with mild atypia in 22 and adenoma with moderate atypia in 1. CONCLUSION Magnifying colonoscopy was considered to be useful in determining the indications for colonoscopic removal.
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204
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Westerman AM, Wilson JH. Peutz-Jeghers syndrome: risks of a hereditary condition. SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. SUPPLEMENT 1999; 230:64-70. [PMID: 10499464 DOI: 10.1080/003655299750025561] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Peutz-Jeghers syndrome (PJS) is a rare autosomal-dominant disorder characterized by hamartomatous polyposis of the gastrointestinal tract and melanin pigmentation of the skin and mucous membranes. We review the clinical features of PJS with special emphasis on the risks for its gene carriers. METHODS Review of the literature. RESULTS Risks imposed by the presence of polyps in PJS patients include surgical emergencies like small bowel intussusception, and chronic or acute bleeding from the polyps. As the polyps in PJS are hamartomas, the disease had in the past always been thought not to have malignant potential. However, more and more reports suggest an association of PJS with both gastrointestinal and non-gastrointestinal tumours. Whether these malignancies originate from the polyps is not clear, but the frequent occurrence of some rare extra-intestinal malignancies such as tumours of the ovary (sex cord tumours with annular tubules), cervix (adenoma malignum) and testis (Sertoli cell tumours) indicates a general susceptibility for the development of malignancies. The PJS gene, which was recently identified to encode for the serine threonine kinase STK11, is therefore thought to act as a tumour-suppressor gene. CONCLUSIONS PJS gene carriers not only run risks of polyp-induced gastrointestinal complications, but also are at increased risk of developing cancer, both within and outside the gastrointestinal tract. As genetic identification of asymptomatic gene carriers in this relatively rare disorder becomes possible, surveillance and screening protocols need to be developed for PJS patients and their relatives.
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205
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Antonová J, Nĕmec V, Formánek P. [Peutz-Jeghers syndrome]. ROZHLEDY V CHIRURGII : MESICNIK CESKOSLOVENSKE CHIRURGICKE SPOLECNOSTI 1999; 78:347-50. [PMID: 10596571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
The authors describe Peutz-Jeghers syndrome in three members of one family. They discuss etiology, diagnosis, course and prognosis of this disease.
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206
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Igun GO, Ameh YY, Awani KU. Peutz-Jeghers syndrome: case report. EAST AFRICAN MEDICAL JOURNAL 1999; 76:284-6. [PMID: 10750512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
A case of Peutz-Jeghers syndrome (PJS) in an African girl is presented to document the clinical presentation, management and follow up of this condition. The patient who presented with black buccal mucosal hyperpigmentation and clinical features of jejuno-jejunal intussusception was successfully managed by operative reduction of the intussusception and polypectomy. She is being followed up for evidence of malignant transformation in associated intestinal polyps and development of extra-intestinal malignancies at other sites. The management of PJS in light of recent trends is discussed, especially with reference to suggested protocols for screening and surveillance of sites at supposed risk of tumour development.
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Entius MM, Westerman AM, van Velthuysen ML, Wilson JH, Hamilton SR, Giardiello FM, Offerhaus GJ. Molecular and phenotypic markers of hamartomatous polyposis syndromes in the gastrointestinal tract. HEPATO-GASTROENTEROLOGY 1999; 46:661-6. [PMID: 10370593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Hamartomatous gastrointestinal polyposis syndromes have always been considered as non-neoplastic. Nevertheless, an increased cancer risk both within and outside the gastrointestinal tract may exist in these syndromes. The hamartomatous polyps may sometimes harbor dysplasia, but their neoplastic potential is unknown. The genetic defects causing the hamartomatous syndromes are less well established than, for example, familial adenomatous polyposis (FAP) and hereditary non-polyposis colorectal cancer (HNPCC). The genetic studies on the Mendelian inherited syndromes FAP and HNPCC have made a major contribution to the identification of genes involved in colorectal tumorigenesis. The genes involved in colorectal cancer development may also contribute to cancer development in the hamartomatous polyposis syndromes, and are currently under investigation. Furthermore, new insights into the development of various cancers may be obtained by the isolation and characterization of genes involved in Mendelian inherited hamartomatous polyposis syndromes. This report summarizes the available literature on this subject, and describes the pheno- and genotypic features of the hamartomatous syndromes of juvenile polyposis, Peutz-Jeghers syndrome, and Cowden's disease.
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209
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Greco F, Pavone P, Mauceri L, Finocchiaro M, Sorge G. [Peutz-Jeghers syndrome. Report of a family]. LA PEDIATRIA MEDICA E CHIRURGICA 1998; 20:417-9. [PMID: 10335544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
The Authors report on the clinical and instrumental findings of a 11 years old patient affected with Peutz-Jeghers syndrome, several component of her family were also affected. The Authors confirm clinical heterogeneity of the disease and the importance of a early diagnosis.
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210
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Hertl MC, Wiebel J, Schäfer H, Willig HP, Lambrecht W. Feminizing Sertoli cell tumors associated with Peutz-Jeghers syndrome: an increasingly recognized cause of prepubertal gynecomastia. Plast Reconstr Surg 1998; 102:1151-7. [PMID: 9734436 DOI: 10.1097/00006534-199809040-00036] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Testicular sex cord tumors with annular tubules are an increasingly recognized cause of prepubertal gynecomastia typically accompanied by accelerated linear growth and advanced bone maturation. Serum estrogen levels may be elevated. Testicular ultrasound and biopsy are diagnostic, and mastectomy is indicated. Although these tumors can occur independently, causing gynecomastia in 10 percent of cases, they usually occur in patients with Peutz-Jeghers syndrome. In any Peutz-Jeghers syndrome patient developing gynecomastia, a testicular tumor should be sought. Conversely, because a significant proportion of all reported prepubertal gynecomastia patients have Peutz-Jeghers syndrome with testicular tumors, this syndrome must be considered for all young boys in whom the cause of gynecomastia is not otherwise apparent. When Peutz-Jeghers syndrome is suspected, gastroscopy, colonoscopy, and testicular biopsies can be performed under one anesthetic at the time of mastectomy.
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Abstract
Research in hereditary forms of colorectal cancer (CRC) has increased almost logarithmically thanks in a major way to momentous discoveries in molecular genetics during the past decade. Between 10 and 20% of the total CRC burden is due to Mendelian-inherited CRC syndromes. The paradigm for hereditary CRC is familial adenomatous polyposis (FAP), wherein the APC germ-line mutation has been identified. This has contributed to the elucidation of genomic and clinical heterogeneity within the syndrome, wherein an attenuated form of FAP has been identified as a result of intragenic mutations within this large APC gene. The most common form of hereditary CRC is hereditary nonpolyposis colorectal cancer (HNPCC). Several mutator genes, namely hMSH2, hMLH1, hPMS1, hPMS2 and, more recently, hMSH6/GTBP, have been identified. These molecular genetic discoveries are providing new insights into the pathogenesis of CRC. Individuals within these kindreds who are harbingers of these germ-line mutations will benefit from screening and, one day, chemoprevention.
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Quijano Orvañanos F, Suárez Moreno R, Martínez Ordaz JL, Esmer Sánchez D, Gómez Jiménez LM, Arroyo Borrego R, Blanco Benavides R. [Peutz-Jeghers syndrome]. REVISTA DE GASTROENTEROLOGIA DE MEXICO 1998; 63:171. [PMID: 10068767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Abstract
OBJECTIVE To establish the normal MR appearance of small bowel on half-Fourier acquisition single-shot turbo spin-echo (HASTE) sequence and to determine the ability of HASTE to reveal small-bowel disease. MATERIALS AND METHODS HASTE images in 50 patients without small-bowel disease were reviewed retrospectively to determine the normal MR appearance of small bowel. All patients fasted for at least 6 hr. The images of 18 patients with proven small-bowel abnormalities that were obtained with the HASTE sequence were also reviewed retrospectively by one observer unaware of the findings. The ability to characterize small-bowel diseases using the HASTE sequence was assessed. RESULTS In the 50 patients with normal small bowel, no fluid was seen in the jejunum and ileum loops in four (8%). Fluid was present in less than 25% of small-bowel loops in 20 patients (40%), 25-50% of small-bowel loops in 20 patients (40%), and 50-75% of small-bowel loops in six patients (12%). Equal amounts of fluid were present in the jejunum and ileum in 30 patients (60%). More fluid was seen in the jejunum than the ileum in 16 patients (32%) and the reverse was true in four patients (8%). The mean diameter of the jejunum was 2.1 cm (SD = 0.34 cm) and of the ileum, 1.9 cm (SD = 0.41 cm). The thickness of the small-bowel wall and valvulae conniventes averaged 2 mm. Findings of dilatation of the bowel lumen and increased thickness of the bowel wall and valvulae conniventes were identified in 18 patients with small-bowel abnormalities. CONCLUSION The normal and abnormal small bowel can be assessed using the HASTE sequence.
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214
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Enta T. Dermacase. Melanotic macule of the lip. CANADIAN FAMILY PHYSICIAN MEDECIN DE FAMILLE CANADIEN 1998; 44:273, 279. [PMID: 9512829 PMCID: PMC2277610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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215
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Coppin BD, Temple IK. Multiple lentigines syndrome (LEOPARD syndrome or progressive cardiomyopathic lentiginosis). J Med Genet 1997; 34:582-6. [PMID: 9222968 PMCID: PMC1051000 DOI: 10.1136/jmg.34.7.582] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The multiple lentigines syndrome is an autosomal dominant condition which has many similarities to Noonan syndrome, except in the most striking feature from which its name is derived. The less neutral but very apt mnemonic, LEOPARD syndrome, was first used by Gorlin et al to whom the major debt in the definition of this syndrome lies, that is, Lentigines, ECG abnormalities, Ocular hypertelorism/Obstructive cardiomyopathy, Pulmonary valve stenosis, Abnormalities of genitalia in males, Retardation of growth, and Deafness. Not previously included in the mnemonic is cardiomyopathy which is an important feature because it is associated with significant mortality.
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216
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Corley DA, Uyeki TM, Cello JP. Gastrointestinal bleeding and gastric outlet obstruction from Peutz-Jeghers polyposis. Diagnosis and treatment. West J Med 1997; 166:350-2. [PMID: 9217445 PMCID: PMC1304240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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217
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Schapiro RH. Image of the month. Peutz-Jeghers syndrome. Gastroenterology 1997; 112:1068, 1429. [PMID: 10465624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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218
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Petroianu A. Peroperative enteroscopy. SAO PAULO MED J 1997; 115:1373-5. [PMID: 9293120 DOI: 10.1590/s1516-31801997000100010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Current diagnostic alternatives for lesions of the small intestine are sometimes insufficient. Peroperative enteroscopy is presented as a useful method to identify and treat intestinal polyposis and angiodysplasias that can not be found by other methods. This technique was used on two patients. In both cases, this procedure was helpful and the appropriate treatment successfully completed.
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219
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Abstract
Tumors of the small bowel, both benign and malignant, are relatively uncommon and often present a diagnostic challenge as their symptoms are often vague. This review article outlines the incidence, presentation, diagnosis, and management of small bowel tumors.
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220
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Kuwada SK, Burt RW. The clinical features of the hereditary and nonhereditary polyposis syndromes. Surg Oncol Clin N Am 1996; 5:553-67. [PMID: 8829319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The polyposis syndromes are rare familial and noninherited syndromes associated with intestinal as well as extraintestinal malignancies in many cases. Their recognition and classification are critical in determining the appropriate management strategies.
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221
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Dean PA. Hereditary intestinal polyposis syndromes. REVISTA DE GASTROENTEROLOGIA DE MEXICO 1996; 61:100-11. [PMID: 8927912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Colorectal cancer is one of the most common cancers in the world, with overall mortality exceeding 40% even with treatment. Effective efforts for screening and prevention are most likely to succeed in patient groups identified as high risk for colorectal cancer, most notably the hereditary intestinal polyposis syndromes. In these syndromes, benign polyps develop throughout the intestinal tract prior to the development of colorectal cancer, marking the patient and associated family for precancer diagnosis followed by either close surveillance or preventive treatment. PURPOSE This review article was undertaken to discuss the most recent developments in the knowledge of hereditary intestinal polyposis syndromes, emphasizing the clinical approach to diagnosis and treatment relative to preventing the development of cancer. RESULTS The most common of the hereditary polyposis syndromes is familial adenomatous polyposis (FAP), which is characterized by the development of hundreds to thousands of adenomatous polyps in the colon followed at an early age by colorectal cancer. Colorectal cancer can be prevented in this autosomal dominant condition by prophylactic colectomy, though a risk for other tumors, including periampullary cancers, remains throughout life. Variant of FAP associated with fewer and smaller polyps (hereditary flat adenoma syndrome), or even CNS tumors (Turcot's syndrome) also carry this high risk of colorectal cancer. Hereditary hamartomatous polyposis syndromes such as juvenile polyposis and Peutz-Jeghers syndrome (also autosomal dominant) are characterized by less frequent polyps. Though these are generally benign polyps, they are also associated with a significant risk of colorectal and other cancers. Other polyposis syndromes, including neurofibromatosis and Cowden's disease, do not carry this increased risk of colorectal cancer, and therefore affect different treatment strategies. Analysis of genetic factors responsible for these and other hereditary syndromes with predisposition to colorectal cancer has not only contributed to our molecular understanding of colorectal cancer, but opened the door to DNA testing and treatment strategies for these diseases. CONCLUSIONS The treatment advances that are discussed and careful screening in appropriate families will effectively reduce the risk of death from colorectal cancer.
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Defago MR, Higa AL, Campra JL, Paradelo M, Uehara A, Torres Mazzucchi MH, Videla R. Carcinoma in situ arising in a gastric hamartomatous polyp in a patient with Peutz-Jeghers syndrome. Endoscopy 1996; 28:267. [PMID: 8739752 DOI: 10.1055/s-2007-1005447] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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223
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Lozano A, Valencia V, Zevallos M, Contreras R, Vargas G, Verona R. [Peutz-Jeghers syndrome. Apropos a familial case at Hospital Arzobispo Loayza]. REVISTA DE GASTROENTEROLOGIA DEL PERU : ORGANO OFICIAL DE LA SOCIEDAD DE GASTROENTEROLOGIA DEL PERU 1996; 16:72-6. [PMID: 8664490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The Peutz-Jeghers syndrome is a rare dominant autosomic, entity characterized by hyperpigmented lesions on the lips, hands and feet; with presence of gastrointestinal polyps producing acute or chronic anemia, intestinal obstruction, and/or abdominal pain. This polyps histologically are hamartomas; recent studies indicate a real risk for transformations in the malignant neoplasia. The high and low endoscopies and the intraoperative enteroscopy with polypectomy are the election treatment, improving prognosis quality on these patients. We describe a familiar case of a female patient 24 years old showing a repeated picture of intestinal subocclusion; her brother presented a similar clinical picture, and her mother presented the same syndrome, dying of carcinoma in the colon; also her child, at one and a half year old presented hyperpigmented lesions on the lips.
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Abstract
The classical pigmentation of Peutz-Jeghers syndrome distinguishes it immediately from the other polyposis syndromes. Less widely appreciated than this most obvious manifestation are the pitfalls in management presented by the risk of cancer and by the performance of multiple laparotomies that also characterize this condition. An outline of these risks and an approach that minimizes them is presented.
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225
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Meozzi A, Tarantino E, Villirillo A, Crimaldi G, Ughi C. [Peutz-Jeghers syndrome]. LA PEDIATRIA MEDICA E CHIRURGICA 1995; 17:479-82. [PMID: 8685010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
An observation of Peutz-Jeghers syndrome, in a 13 year old girl, provides the Authors with the opportunity of reviewing the clinical features, the natural history and the complications of the disease, mainly the malignancies. In recent reviews the occurrence of cancer was further on investigated: gastrointestinal and non gastrointestinal tumors occurred in 22-48% of the patients examined. The surveillance protocols of the subjects at risk and genetic counseling are discussed.
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