Journal of Gastrointestinal Surgery

, Volume 14, Issue 3, pp 536–540

Solitary Necrotic Nodule of the Liver: Always Benign?

Original Article

Abstract

Objective

Solitary necrotic nodule of the liver (SNNL) is a rare lesion and accepted as a benign entity. The aim of this study is to investigate the possible causes for the development of solitary necrotic nodules.

Methods

Twenty-two retrospective solitary necrotic nodule specimens were examined to evaluate histologic features. The clinical records of these patients were reviewed, and clinical data were obtained for all patients.

Results

Histologically, 17 of the 22 nodules were necrotic with surrounding fibrosis, and the remaining five nodules were completely fibrotic. Four of the 22 cases were found to have specific lesions within the nodules which may put light on the pathogenesis. Foci of metastatic carcinoma were identified in two of these four cases, and cuticle fragments of the hydatid cyst were identified in the other two cases. Clinical data showed that half of the cases with solitary necrotic nodule have an associated malignancy mainly involving the gastrointestinal system.

Conclusions

SNNL is not always benign. The possible causes of this lesion include parasites and metastatic tumors. It is important to identify the minute foci of metastatic carcinoma for the appropriate management of this lesion.

Keywords

Nodule Necrotic Liver Parasites Metastasis 

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Copyright information

© The Society for Surgery of the Alimentary Tract 2009

Authors and Affiliations

  1. 1.Department of Pathology, Faculty of MedicineErciyes UniversityKayseriTurkey

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