Journal of Pathology and Translational Medicine

Ja June Jang

3 Articles

Chemotherapy-Associated Hepatopathy in Korean Colorectal Cancer Liver Metastasis Patients: Oxaliplatin-Based Chemotherapy and Sinusoidal Injury: Soo Jeong Nam, Jai Young Cho, Hye Seung Lee, Gheeyoung Choe, Ja June Jang, Yoo-Seok Yoon, Ho-Seong Han, Haeryoung Kim; Korean J Pathol. 2012;46(1):22-29. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.22

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Background

Although chemotherapy-related hepatic injury has been reported in colorectal cancer liver metastasis (CRLM) patients, the morphologic changes caused by chemotherapeutic agents and the effect of chemotherapy on postoperative outcome remain ill-defined. A comprehensive review of the morphologic changes in the post-chemotherapy non-neoplastic liver was performed and the clinical effect of preoperative chemotherapy in CRLM patients was analyzed.

Methods

Hematoxylin-eosin, Masson's trichrome and reticulin-stained slides from non-neoplastic livers obtained from 89 CRLM patients were analyzed, and the clinicopathologic features were correlated with the status of chemotherapy exposure.

Results

Histopathologic features of sinusoidal injury (sinusoidal dilatation, centrilobular perivenular fibrosis, parenchymal extinction lesions, small vessel obliteration, and hepatocyte plate disruption) were significantly more frequent in oxaliplatin-exposed livers (p<0.05). The extent of sinusoidal dilatation was positively correlated with increasing numbers of chemotherapy cycles (p=0.022). Abnormal preoperative liver function tests were more frequently seen (p<0.05) and postoperative total bilirubin was higher in the chemotherapy group (p=0.008). Postoperative morbidity was more common in the chemotherapy group (p=0.044).

Conclusions

Sinusoidal injury is frequently seen in oxaliplatin-treated livers, and its presence, especially when extensive, should be documented in surgical pathology practice. The recognition of sinusoidal injury may provide helpful guidelines for surgeons in deciding the extent of hepatic resection.

Citations

Citations to this article as recorded by

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Fine needle aspiration cytology of so-called sclerosing hemangioma of the lung: report of two cases.: Na Hye Myong, Chang Won Ha, Kyung Ja Cho, Ja June Jang; Korean J Cytopathol. 1991;2(1):28-35.

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Abstract PDF: So-called sclerosing hemangioma of the lung is a rare benign neoplasm which usually presents with a coin lesion detected through routine chest X-ray. We report two cases showing characteristic cytologic appearances which have been rarely reported. Both cases were young females with coin lesions in the lung. Fine needle aspiration of each case revealed unique but some different cytologic features. Case 1 showed bland-looking polygonal epithelial cells resembling bronchioloalveolar cells having predominantly papillary configurations with loosely arranged solid sheets or isolated cells. Cytoplasms were plump, cyanophilic, and finely granular, with eccentric nuclei. The nuclei were usually monotonous, round-to-ovoid, and vesicular with a small but conspicuous nucleolus. In comparison to case 1, case 2 revealed largely loose pavement-like solid sheets or clusters rather than papillary patterns in the hemorrhagic background. The size of tumor cells were a little smaller than that of case 1. Bronchiotoalveolar carcinoma and papillary adenocarcinoma of metastatic origin were considered to be one of the important differential diagnoses with these cytologic features. Histologically, both cases exhibited findings compatible with so-called sclerosing hemangioma of the lung.

Two Cases of Giant Cell Tumor of the Bone Diagnosed by Fine Needle Aspiration Cytology.: Na Hye Myong, Chang Won Ha, Kyung Ja Cho, Ja June Jang, Goo Hyun Baek, Soo Yong Lee; Korean J Cytopathol. 1990;1(1):93-97.

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Abstract PDF: Two cases of giant cell tumor of bone diagnosed by fine needle aspiration cytology are described. Case 1 was a 28-year -old male who had pain sense for one year at the right distal thigh. His radiologic finding revealed a destructive cortical lesion with soft tissue extension at medial side of epiphysis of the distal femur. Case 2 was a 21-year-old female complaining pain at left distal forearm for eight months and showed a well-demarcated expansile osteolytic lesion with multisepatation, and cortical destruction at epiphysis and metaphysis of the left distal radius on the X-ray. Fine needle aspiration of each lesion was performed. The aspirate of the case 1 reveated moderate cellularity, which was composed of scattered giant cells of osteoclastic type and small round to oval monotonous stromal cells in large areas. Giant cells were evenly distributed in single or small groups and had irregular but abundant cytoplasms with 10 to 20 nuclei in the center. The nuclei showed ovoid shape, fine granular chromatin, and a small but conspicuous nucleolus, Stromal cells were dispersed in isolated pattern or sometimes aggregated in clusters and showed the same nuclei as those of giant cells and scanty cytoplasms, Comparing to case 1, case 2 had a more translucent abundant cytoplasm in the giant cells and more spindled stromal cells, All two cases revealed neither nuclear atypism nor increased abnormal mitoses in both giant and stromal cells, suggesting no evidence of malignancy. Thereafter the lesions were treated with excision and curettage and histologically confirmed as giant cell tumors of the bone.

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