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Histological Observations of Cysticercus Cyst Walls of the Liver of Rats in Relation to the Precancerous Stage in the Watanabe I Tumor


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Title: Histological Observations of Cysticercus Cyst Walls of the Liver of Rats in Relation to the Precancerous Stage in the Watanabe I Tumor
Authors: Watanabe, Fumitomo
Authors (alternative): 渡辺, 文友
Issue Date: 25-Mar-1968
Citation: Acta medica Nagasakiensia. 1968, 12(3-4), p.37-51
Abstract: Histological observation of 342 cysticercus cysts of adult rat livers has revealed that disarranged and spindle-shaped liver cells compressed by cysticercus fasciolaris, larvae of Tenia crassicollis were present in the inner layer of some cyst walls observed. Active proliferation of some type of the deformed liver cells in the cysts leads probably to the formation of sarcomatoid hepatoma. Following above findings, the occurrence of the histological picture of the original tumor generally depends largely upon the condition of the precancerous tissue. Histological change of the premalignant tissue cells adapted to their new environment may continue after the onset of outonomous transformation. This suggestion will interprete the origin of Watanabe I tumor, the sarcomatoid hepatoma of free cell type and the formation of sarcomatoid hepatoma and mixed tumor by exfoliated premalignant liver cells of two cysticercus cysts of rats from which the enclosed larvae were removed.
URI: http://hdl.handle.net/10069/15526
ISSN: 00016055
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 12, No. 3-4

Citable URI : http://hdl.handle.net/10069/15526

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