Journal of Pathology and Translational Medicine

Original Article

Newly Formed Hepatic Masses in Children with Biliary Atresia after Kasai Hepatic Portoenterostomy.: Hye Jong Song, Yeon Lim Suh; Korean J Pathol. 2011;45(2):160-169.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.2.160

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BACKGROUND
This report describes the clinicopathologic findings of six hepatic masses that developed after Kasai hepatic portoenterostomy (HPE) in six patients with longstanding biliary atresia (BA).
METHODS
Hepatic masses were found in six of 55 pediatric patients who underwent liver transplantation for BA after Kasai HPE from 1997 to 2009. Clinicopathologic analysis was performed and immunohistochemical staining was carried out for CD34, smooth muscle actin (SMA) and cytokeratin 7.
RESULTS
Of the six hepatic masses, two were diagnosed as focal nodular hyperplasia (FNH)-like lesions, two were large regenerative nodules (LRN), one was a mesenchymal hamartoma (MH) and one was a cholangiocarcinoma. The immunohistochemical staining findings for SMA and CD34 were more prominent for the FNH-like nodules than for the cirrhotic background liver. Dysplastic biliary epithelium arising from intestinal metaplasia was found in the cholangiocarcinoma.
CONCLUSIONS
Our findings suggest that FNH-like lesions, LRNs and MH are the results of vascular hemodynamic changes after Kasai HPE and that cholangiocarcinoma is due to recurrent cholangitis after BA. All the lesions in this series must be included in the differential diagnosis of a newly formed hepatic mass in patients after portoenterostomy.

Citations

Citations to this article as recorded by

Features of Nodules in Explants of Children Undergoing Liver Transplantation for Biliary Atresia
Ana M. Calinescu, Anne-Laure Rougemont, Mehrak Anooshiravani, Nathalie M. Rock, Valerie A. McLin, Barbara E. Wildhaber
Journal of Clinical Medicine.2022; 11(6): 1578. CrossRef
Biliary Atresia Patients With Successful Kasai Portoenterostomy Can Present With Features of Obliterative Portal Venopathy
Kalyani R. Patel, Sanjiv Harpavat, Zahida Khan, Sadhna Dhingra, Norma Quintanilla, Mihail Firan, John Goss
Journal of Pediatric Gastroenterology and Nutrition.2020; 71(1): 91. CrossRef

Case Reports

Nasal Chondromesenchymal Hamartoma: A case report.: Hyo Jeong Chae, Ji Hye Suk, Sun Kyung Lee; Korean J Pathol. 1999;33(3):225-227.

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Abstract PDF: Nasal chondromesenchymal hamartoma is a distinctive mixed mesenchymal lesion of sinonasal region with a complex histologic appearance and benign clinical course and clinicopathologically similar to those of the mesenchymal hamartoma of the chest wall of infancy. We report a case of nasal chondromesenchymal hamartoma occurred in the right nasal cavity in a 3-month-old female. She was admitted with a history of profuse nasal bleeding and obstruction. CT revealed complex solid and cystic mass, measuring 3.5x2.5x2.5 cm in dimensions which filled the right nasal cavity and extended into ethmoid sinus and cribriform plate. The received piecemeal fragments of tissue were brown tan-colored firm semitranslucent tissue with a cartilaginous appearance. Microscopically, the basic morphologic elements were irregular islands of hyaline cartilage and myxoid to spindle cell stroma with various cellularity.

Biliary Cystadeoma of the Liver: Report of a congenital case.: Jai Hyang Go, Young Nyun Park, Woo Hee Jung, Chanil Park; Korean J Pathol. 1995;29(2):241-243.

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Abstract PDF: Biliary cystadenoma of the liver is a rare multilocular cystic neoplasm of biliary origin. it occurs most often in middle aged women and rarely in children. Histogenesis of this tumor is uncertain. It may be developmental in origin arising from aberrant hamartomatous bile ducts or ectopic rests of embryonic biliary cystadenoma of the liver discovered at 8 month of intrauterine fetal life. This case supports its congenital theory.

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