- Trichofolliculoma in Korean Patients: A report of six cases.
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Kyoung Mee Kim, Jai Kyung Ko, Anhi Lee, Chang Suck Kang, Byung Kee Kim, Seok Jin Kang
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Korean J Pathol. 2000;34(11):957-960.
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- Trichogenic tumors are a very rare group of primary cutaneous neoplasms and a few tumors have been recognized. Trichofolliculoma is a benign, papular, organoid adnexal tumor of the skin and presents as a solitary skin-colored nodule. We report six cases of trichofolliculoma occurred in Korean patients consisting of three male and three female patients. The duration of disease was variable from 3 months to 5 years. The site of tumor was limited to the face and included eyelid in two cases, nose in two cases, cheek and posterior aspect of ear in each one case.
The size of the mass varied from 4 to 8 mm in diameter. Microscopically, all the cases showed large central cystic hair follicle with numerous secondary follicular buds, producing a radiating pattern. The stroma was fibrotic and well demarcated from the adjacent dermis.
- Expression of the nm23 and E-cadherin Proteins in Breast Carcinoma.
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Jean a Kim, Won Il Kim, Sang In Shim, Chang Suck Kang, Kyo Young Lee, Young Shin Kim
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Korean J Pathol. 1998;32(1):29-34.
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- Expression of the nm23 and E-cadherin proteins has been studied in a number of tumors. Reduced expression of the nm23 and E-cadherin proteins seems to be associated with metastasis or disease progression in some tumors, including breast carcinoma. To assess the role of nm23 and E-cadherin in tumor differentiation and metastasis of breast carcinoma, immunohistochemical staining for the nm23 and E-cadherin proteins was performed in paraffin embedded tumor samples from 86 breast carcinomas. The results were as follows: 1) Expression of the nm23 protein in breast carcinoma was strong positive in 32 cases (37.2%), weak positive in 26 cases (30.2%), and negative in 28 cases (32.6%) of the cases. Expression of the nm23 protein in breast carcinoma decreased according to histological grade and lymph node metastasis, but was not statistically significant. 2) Expression of the E-cadherin protein in breast carcinoma was strong positive in 50 cases (58.1%), weak positive in 24 cases (27.9%), and negative in 12 cases (14%) of the cases.
Expression of the E-cadherin protein in breast carcinoma decreased according to histological grade and lymph node metastasis, but was not statistically significant. 3) There was a statistically significant correlation between the expression of the nm23 protein and the E-cadherin protein in breast carcinoma (p<0.05). These results suggest that the expression of the nm23 and E-cadherin proteins is related to tumor differentiation, and may also be an useful prognostic factor in breast carcinoma.
- Fine Needle Aspiration Cytoloy of Poorly Differentiated "Insular" Carcinoma of the Thyroid: A Case Report.
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Hee Jung Lee, Kyung Shin Park, Young Shin Kim, Kyo Young Lee, Chang Suck Kang, Sang In Shim
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Korean J Cytopathol. 1998;9(1):117-122.
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- Cytologic features of a poorly differentiated "insular" carcinoma of the thyroid are presented. In fine needle aspiration cytology, the aspirates were highly cellular and tumor cells were arranged in loose clusters or singly dispersed on focally necrotic background. Occasional microfollicles were evident. The tumor cells had poorly defined, scanty cytoplasm and most of the nuclei were fairly uniform with coarse chromatin pattern. A few large pleomorphic cells were also noted. The cytologic findings of the present case were correlated well with the histologic findings, which showed typical insular pattern and the presence of uniform cells with occasional pleomorphism.
- Congenital Intracranial Teratoma with Extension into Oral Cavity: An autopsy case.
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Young Sill Kim, Kyo Young Lee, Chang Suck Kang, Sang In Shim, Sun Moo Kim
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Korean J Pathol. 1990;24(3):326-330.
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- Intracranial teratomas which were first described by Maier in 1861 are uncommon. Those presenting at birth are very rare and in our knowledge no case has been reported in Korea. In November, 1988, we experience a case of congenital intracrainal teratoma which replaced almost all cerebral tissue, filled out the oral cavity, and was protruded from the mouth. A female fetus was artificially delivered by a 25-year-old primigravida at 22 weeks of gestation, because of marked hydramnios and fetal hydrocephalus which were detected by prenatal ultrasonography. Microscopically, tissues from all three germ layers, including a lot of neuroepithelim and primitive mesenchymal tissue, were shown.
A brief review of the literature was done.
- Primary Meningioma of the Nasal Cavity and Paranasal Sinuses: A report of a case.
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Chang Ok Kim, Mi Kyung Jee, Ki Hwa Yang, Chang Suck Kang, Seok Jin Gang, Byoung Kee Kim, Sun Moo Kim
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Korean J Pathol. 1989;23(4):461-464.
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- Primary extracranial and extraspinal meningiomas are rare.
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s involving the orbit, skin, nasal cavity, paranasal sinuses, oral cavity and parotid gland have been reported.
The histogenesis of primary extracranial meningioma is still nucertain, but it has been thought that this tumor originates from arachnoid cell rests in displaced during embryonal development. The authors observed a case of primary meningioma of the nasal cavity and paranasal sinuses occurring in a thirty-eight year old male patient in Feb.
1989. He suffered from bulging in the medio-superior portion of left orbit for 15 years, and left nasal obstruction and headache for 5 years, A head CT scan revealed numberous polypoid masses filling the left frontal sinus left ethmoidal sinus, left maxillary sinus and left nasal cavity.
During the operation, a connection to the dura was not found. Microscopically, there were discrete lobules or netst of meningothelial cells, beneath the nasal mucosa. They showed an occasional whorling pattern and psammoma bodies.
Therefore, this case was diagnosed as primary meningioma, meningotheliomatous type involving the left nasal cavity and paranasal sinuses.
- Primary Malignant Lymphoma of the Liver: Report of a case.
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Soo Kyong Chung, Chang Suck Kang, Won Il Kim, Sang In Shim, Sun Moo Kim
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Korean J Pathol. 1987;21(4):285-290.
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- Primary extranodal lymphoma of the liver is very rare, approximately thirty-one cases having been reported in the literature. We report one case of primary malignant lymphoma of the liver in a 26-year-old female, who was presented with palpable abdominal mass on the epigastrium for about 40 days. Laboratory findings revealed no specific abnormalities. Peripheral lymph nodes or spleen were not palpable. An abdominal ultrasonogram revealed a huge mass involving the entire left lobe of the liver. Left lateral segmentectomy of the liver was done. The resected lateral portion of left lobe of the liver showed a large solitary mass, 12 cm in the greatest dimension, with a yellowish gray fleshy solid cut surface. Though light microscopic feature was compatible with primary malignant lymphoma, diffuse large cell type, intermediate grade by the working formulation, undifferentiated carcinomas including hepatocellular carcinoma, plasmacytoma, and pleomorphic sarcomas could not be completely ruled out. Thus, marker studies and electron microscopic examination were performed.
Immunoperoxidase stains for common leukocyte antigen was positive, and the Leder stain for myeloid granule was negative. Electron microscopic stuids revealed findings of neoplastic lymphoid cells, consistent with malignant lymphoma. Primary lymphoma of the liver has only rarely been reported, and its natural history is unclear. Many of the reported cases have been large cell lymphomas, as in this case.
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