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Limited tumor involvement found at multiple endocrine neoplasia type I pancreatic exploration: can it be predicted by preoperative tumor localization?
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper. (Section of Endocrine Oncology)
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper. (Section of Endocrine Oncology)
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för kirurgiska vetenskaper. (Endocrine Surgery)
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper. (Section of Endocrine Oncology)
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1998 (Engelska)Ingår i: World Journal of Surgery, ISSN 0364-2313, E-ISSN 1432-2323, Vol. 22, nr 7, s. 673-677; discussion 667-668Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Radiologically demonstrable pancreatic endocrine tumors are a frequent requirement for exploration in patients with multiple endocrine neoplasia type I (MEN-I). Such delayed intervention is accompanied by a 30% to 50% incidence of pancreatic endocrine metastases. This study explores biochemical tumor markers and operative findings in relation to preoperative pancreatic radiology in 25 MEN-I patients. They underwent pancreatic surgery with (n = 19) or without (n = 6) radiologic signs of primary tumor and absence of metastases upon conventional examination, including OctreoScan testing (n = 10). Biochemical diagnosis required an increasing elevation of at least two independent pancreatic tumor markers. Tumor diameters averaged 1.1 cm (0-5 cm) and 0.9 cm (0.2-1.5 cm) in the patients with and without positive preoperative radiology, respectively. These investigations never displayed more than one of the consistently multiple tumors, and the results were falsely positive in 26%. Preoperatively unidentified regional or hepatic metastases were found at surgical exploration in 26% of patients with radiologic localization and in none of the others. Limited pancreatic tumor involvement necessitated intraoperative absence of metastases and pancreatic lesions </= 1 cm in diameter on palpation, intraoperative ultrasonography, and microscopy. It occurred in 37% and 50% of the patients with and without radiologic tumor localization, respectively. The number of positive tumor markers was similar for patients with limited and major disease (2.3 vs. 2.7), whereas four or more such markers were found in all those with malignancies. The mean marker level was higher in patients with radiologically demonstrable tumors and lower in those with limited disease, but with a substantial overlap. OctreoScan testing was negative in all cases with limited disease and was the single most sensitive method (75%) in the others. Limited pancreatic disease could not be identified preoperatively, and the present means of biochemical pancreatic tumor identification invariably involved the presence of at least one lesion >/= 7 mm in diameter. Conventional pancreatic imaging is insensitive and nonspecific for recognizing even substantial pancreatic tumors associated with MEN-I.

Ort, förlag, år, upplaga, sidor
1998. Vol. 22, nr 7, s. 673-677; discussion 667-668
Nyckelord [en]
Adult, Aged, Female, Humans, Male, Middle Aged, Multiple Endocrine Neoplasia Type 1/*diagnosis/radiography, Pancreatic Neoplasms/*diagnosis/radiography/surgery, Sensitivity and Specificity, Tumor Markers; Biological/analysis
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:uu:diva-21442DOI: 10.1007/s002689900451PubMedID: 9606280OAI: oai:DiVA.org:uu-21442DiVA, id: diva2:49215
Tillgänglig från: 2006-12-28 Skapad: 2006-12-28 Senast uppdaterad: 2017-12-08Bibliografiskt granskad

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Skogseid, BrittÖberg, KjellÅkerström, GöranEriksson, BarbroTiensuu Janson, EvaEklöf, HampusJuhlin, ClaesRastad, Jonas

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Skogseid, BrittÖberg, KjellÅkerström, GöranEriksson, BarbroTiensuu Janson, EvaEklöf, HampusJuhlin, ClaesRastad, Jonas
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Institutionen för medicinska vetenskaperInstitutionen för kirurgiska vetenskaperInstitutionen för onkologi, radiologi och klinisk immunologi
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