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- Volume 20(4); December 1986
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Original Articles
- Effects of the Reticuloendothelial System on the Formation of Nonspecific Reactive Hepatitis in Rats.
- Chae Hong Suh, Ho Jong Chun
- Korean J Pathol. 1986;20(4):399-412.
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Abstract
PDF - This study was designed to evaluate the effects of altered reticuloendothelial function on the formation of nospecific reactive hepatitis in rats. Increased activity of reticuloendothelial system was evoked by methylcellulose treatment (20 mg/100 g). Partial depression of reticuloendothelial system was induced by splenectomy. Experimental nospecific reactive hepatitis was made by Escherichia coli treatment, artificial stomach perforation ileum ligation, respectively. The nonspecific reactive hepatitis thus made evaluated by liver function tests such as AST ALT and alkaline phosphatase. Histological and electron microscopical observation were also done. The results obtained were as follows: 1. Functional and histological changes of nospecific reactive hepatitis deffered with the disign employed. 2. Partial reduction of reticuloendothelial activity by splenectomy didn't influence the serverity of nonspecific reactive hepatitis. 3. Increase of reticuloendothelial activity by methylcellulose treatmetns reduced the severity of nonspecific reactive hepatitis lesion developed by E. coli treatment and stomach perforation, both functionally and morphologically. 4. Changes of nonspecific reactive hepatitis by lieum ligations, however, were aggrevated by increased recticuloendothelial activity. These results showed the divers effect of altered reticuloendothelial function on the degree of nonspecific reactive hepatitis according to the employed experimental designs.
- Histochemical Muscle Fiber Types of Autopsied Human Gastrocnemius, Soleus, Peroneus longus and Tibialis anterior Muscles.
- Jin Chul Yang, Joo Yong Yoo
- Korean J Pathol. 1986;20(4):413-426.
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Abstract
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- This study was designed for the evaluation of the mean proportions and range of individual difference of muscle fiber types in human Gastrocneminus, Soleus, Peroneus longus and Tibialis anterior muscles, respectively. Flash-frozen muscle sections obtained from 15 cadavers were stained for H&E, trichrome, PAS, regular & reversed myosin ATPase, succinic dehydrogenase (SDH), acid phosphatase (Ac-Pase) and alkaline phosphatase (Alk-Pase). The results obtained were as follows. 1) Differentiation of muscle fiber types was not evident in H&E and trichrome stained specimen. Three types of muscle fibers were, however, evident in PAS-stained sections according to the degree of positivity in observed skeletal muscles. 2) Two fiber types (Types I and II) were only differentiated and the predominant muscle fiber type was type I by regular myosin ATPase reaction in Gastrocnemius, Soleus, Peroneus longus and Tibialis anterior muscles. 3) Three muscle fiber types (Type I, IIa and IIb) were, however, differentiated and the predominant muscle fiber type was type IIa, contrary to patterns of regular myosin ATPase in skeletal muscles except for Soleus muscle by reversed myosin ATPase stains. Only two muscle fiber types (Type I and II) and predominant type I fibers were shown in Soleus muscle. 4) SDH stains showed three types of muscle fiber except Soleus muscle. The mean proportions(%) of type 1 fibers were 48.0% in Gastrocnemius, 62.3% in Soleus, 40.8% in Peroneus longus, and 39.8% in Tibialis anterior muscles, respectively. 5) The mean proportions (%) of muscle fiber types in human skeletal muscles were markedly different, according to individuals and various enzyme histochemical stains. 6) The size of muscle fibers was relatevely small in type I fibers compared with type IIb. 7) Evaluation for the combination patterns of various enzyme histochemical activities showed that the common muscle fiber types (Type I, IIa and IIb) were markedly reduced in the mean proportions and unusual rare muscle fibers predominant. This predominance of unusual muscle fiber types and marked discrepancy in muscle fiber types between regular and reversed myosin ATPase seemed to be ascribed to decreased muscle enzyme activities following postmortem period.
- Immunohistochemical Study of S-100 Protein in Salivary Gland Tumors.
- Hyun Yeung Kang, Dong Wook Ryang, Joo Yong Yoo
- Korean J Pathol. 1986;20(4):427-434.
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Abstract
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- An immunohistochemistry for S-100 protein by biotin avidin system technique was done to evaluate the existence and distribution pattern of S-100 protein positive cells in various obtained were as follows. 1) Positive immunostaining for S-100 protein was observed in myoepithelial cell, serous acinar cell and nervous bundle in normal salivary gland. 2) Strong immunoreactivity for S-100 protein was shown in plemorphic adenoma, which was localized not only in myoepithelial cord or sheets of epithelial portion but also in chondrocytes, stellate cells of myxoid stroma and in squamous keratin pearl of mesenchymal metaplastic foci. 3) The S-100 protein was demonstrated in the tumor cells of tubular adenoma, acinic cell tumors and in epidermoid area of mucoepidermoid tumors. 4) Immunoreactivity for S-100 protein, however, was not found in the tumor cells of adenoid cystic carcinoma and adenolymphoma except for stroma reticulum cells. 5) Intensity of positive reaction for S-100 protein varied from cell to cell: Some had intense immunoreactivity, whreas others were only weakly positive or completely negative, even in myoepithelial cell nest of the same pleomorphic adenoma.
Case Report
- Ameloblastoma Arising in Odontogenic Cysts: Report of 5 Cases and its Histologic Characteristics.
- Jin Kim, In Joon Choi
- Korean J Pathol. 1986;20(4):435-441.
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Abstract
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- Five cases of ameloblastoma considered to be originated from the wall of the odontogenic cysts are reported. Histologic characteristics and diagnostic criteria are aimed to study in differentiation of ameloblastoma arising in odontogenic cysts from odontogenic cysts accompanying with reactive epithelial proliferation, and the literature is reviewed. This study can propose that the ameloblastic change and downward growth of epithelial cells lining the cysts are the most important and characteristic findings of the ameloblastoma derived from odontogenic cysts. In addition, the intraluminal proliferation of epithelial cells in plexiform pattern is also significant.
Original Articles
- Ultrastructural Observations on Human Primary Hepatocellular Carcinomas: Analysis of 35 Lobectomy Specimens.
- Hye Kyung Lee, Yong Il Kim
- Korean J Pathol. 1986;20(4):442-452.
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Abstract
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- The etiologic impacts in primary hepatocellular carcinoma among Koreans seem different from those in other countries with its high incidence and close association of hepatitis B virus infection and liver cirrhosis. A series of 35 lobectomy specimens of hepatocellular carcinoma (HCC) was examined by means of electron microscopy to elucidate the general ultrastructural characteristics and to understand the morphogenesis of various histological growth patterns and cytologic features of HCC. 1) General cytological details of HCC were similar to those of non-neoplastic hepatocytes, but characterized by scantiness of subcellular organelles. Degree of cellular differentiation was not correlated with ultrastructural features of HCC. 2) Acinar pattern of HCC seemed to develop by either dilatation of central bile canaliculus or central cystic degeneration of microtrabecular growth, and clear cell group of HCC was expressed in abundance of glycogen particles and lipid droplets. 3) Intranuclear inclusions of HCC proved to be cytoplasmic herniations of tumor cells, and intracytoplasmic tubular arrays appeared to originate from the endoplasmic reticulum. 4) Hyaline globules seen in HCC corresponded to clumps of microfilamentous structures similar or identical to Mallory's hyalin.
- Primary Carcinoma of the Gallbladder: An Analysis of 34 Cholecystectomy Cases with Special Reference to Metaplastic Changes.
- Eun Sil Yu, Eui Keun Ham, Yong Hyun Park
- Korean J Pathol. 1986;20(4):453-461.
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Abstract
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- Primary gallbladder carcinoma is generally assumed as uncommon but dismal malignancy. Only sporadic studies about pathologic features of the gallbladder carcinoma have drawn pathologists attention especially in association with cholelithiasis. Currently, we have focused much on the role of metaplastic changes in diseased gallbladders including cholecystitis with or without cholelithiasis, and raised its implication in the development of benign or malignant neoplasm. The authors reviewed 34 cholecystectomy cases with primary gallbladder carcinoma, and their histologic findings were analyzed with reference to the association of metaplastic changes both in tumor and adjacent nonneoplastic mucosal epithelium. Association with gallstones and metaplastic changes in the surrounding nontumorous mucosa is more frequent in intestinal typen than in non-intestinal type (P<0.05). Gallstones may play a role of irritant stimuli to the gallbladder mucosa which can be eventually reconstructed with more resistant cell type. And the subsequent increase in absorptive capacity and accumulation of carcinogenic substance may result in malignant transformation of (reserve) cells in replication zone. At this time we can assume that association of cholelithiasis and presence of metaplastic changes are in parallel relationshop in intestinal type adenocarcinoma. Intestinal type adenocarcinomas are usually papillary (72.7%) especially in superficial portion, but deeper area also shows infiltrative growth focally. This finding is comparable to intestinal type gastric carcinoma which represents frequently a polypoid and papillary growth pattern. With these results, as in the gastric carcinoma it is strongly supported that intestinal metaplasia may play a major role as a precancerous lesion in a minor group of the gallbladder adenocarcinoma. Controlled prospective study on biological behavior of intestinal type adenocarcinoma should be followed with more cumulative cases.
- A Study on the Typhoid Granuloma in the Bone Marrow Biopsy of Patients with Typhoid Fever.
- So Young Jin, Kyung Won Lee, Tai Seung Kim
- Korean J Pathol. 1986;20(4):462-469.
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Abstract
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- To evaluate the appearance rate of typhoid granuloma, a clinical and histological study was made on bone marrow smears or biopsies of 60 patients with proven typhoid fever. The results were as follws: 1) Sixty cases consisted of 34 cases of bacteriologically proved group, 10 cases of serologically proved group, and 16 cases of clinically suspected group. The positive culture rate from bone marrow fluid was the highest (70.6%) among specimens although it was obtained 1.6 days in average after the administration of antibiotics. 2) Fourth-eight cases by bone marrow smear revealed the M:E ratio of 3.93:1 in average, mild myeloid hyperplasia and 50.5% of appearance rate of typhoid cells. 3) Fourth-nine cases of bone marrow biopsy revealed 8 cases of typhoid granuloma, all of which belonged to the bacteriologically proved group. All these have no pathognomonic morphologic features. 4) Fourty cases of bone marrow examination of patients with FUO except typhoid fever revealed no typhoid cells in smear and 3 cases of granulomatous lesion from two patients with miliary tuberculosis and one patient with Hodgkin's lymphoma.
Case Report
- Male Pseudohermaphroditism Associated with Bochdalek Diaphragmatic Hernia: An autopsy case report.
- Eun Sil Yu, Je Geun Chi, Sang Sook Lee
- Korean J Pathol. 1986;20(4):470-474.
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Abstract
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- An autopsy case of male pseudohermaphrodite associated with Bochdalek diaphragmatic hernia is reported. This newborn infant showed a large clitoris and hypospadic urethra which was the only opening in the perineum except for the anus. There were urethrovaginal fistula and uterus didelphys. The adrenals were slightly larger than normal, but microscopically did not show any features of cortical hyperplasia. Well formed testes were found and were histologically unremarkable. In addition, Bochdalek type of diaphragmatic hernia was present, associated with severe left lung hypoplasia and massively herniated abdominal organs into the chest cavity, shifting the mediastinum considerably and eventually led to death in a few minutes after birth. The pathogenesis of genital anomaly and diaphragmatic hernia is briefly discussed and it is suggested that this type of genital abnormality might be due to defect of testicular M llerian inhibitor factor and can be categorized as incomplete male pseudohermaphroditism.
Original Articles
- Ultrastructure of 2 Malignant Fibrous Histiocytomas with Reference to the Histogenesis.
- Tae Jung Kwon, Keum Min Park, Dong Wha Lee
- Korean J Pathol. 1986;20(4):475-483.
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Abstract
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- Electron microscopic study of two malignant fibrous histiocytomas confirmed the presence of previously described tumor cells in the literature. In addition, there existed intermediate cells with morphologic features of both myofibroblasts and histiocytes, or both histiocytes and smooth muscle cells. Our result supported the idea that malignant fibrous histiocytoma may be derived from the undifferentiated mesenchymal cells that differentiate primarily along a fibroblastic and histiocytic cells.
- Seborrheic Keratosis: A Clinical and Histopathological Study.
- Sung Ku Ahn, Dong Hwan Shin, Kwang Gil Lee, In Joon Choi
- Korean J Pathol. 1986;20(4):484-490.
- 1,763 View
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Abstract
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- A total of 127 cases of seborrheic keratosis examind at the Dept. of Pathology, Yonsei University School of Medicine during 1980~1986 was reviewed. The results were as follow; 1) Sex distribution showed without preponderance with male; Female ratio of 1.05:1. 2) Age distrubution were 10~19 years 0.8%, 20~29 years 4.7%, 30~39 years 14.2%, 40-49 years 25.2%, 50~59 years 29.1%, 60~69 years 17.3%, 70~79 years 6.3% and neck (3.7%). 3) The most common site was face (44.8%), followed by trunk (29.8), lower extremities (10.4%), scalp (6.7%) and neck (3.7%). 4) The clinical diagnoses were sebrorrheic keratosis (47%), nevus (15.4%), verruca (12%), malignant melanoma (7.7%), actinic keratosis (3.4%), pyogenic granuloma (2.6%), mass (2.6%), basal cell epithelioma (0.9%), corn (0.9%), leproy (0.9%), and angiokeratoma (0.9%). 5) The distributions of the light microscopic diagnosis were acanthotic 52 cases (42.9%), hyperkeratotic 33 cases (30%), irritated 17 cases (13.4%), adenoid 15 cases (11.8%), clonal 3 cases (2.4%), melanoacanthoma 1 case (0.8%) and mixed 6 cases (4.7%). 6) The lesions measured from 0.2 cm to 3 cm in maximum diameter and its color was light brown to black with sharply demarcated papule, pladque or nodule.
Case Reports
- Pilomatrix Carcinoma of the Skin: Report of a Case with Clinical Evidence of Distant Metastasis.
- Ro Hyun Sung, Yong Il Kim
- Korean J Pathol. 1986;20(4):491-495.
- 1,387 View
- 11 Download
- Pure Epithelioid Malignant Schwanoma: A case report.
- Hye Yeon Kim, Kyu Bum Lee, In Sun Kim, Kap No Lee, Seung Yong Paik
- Korean J Pathol. 1986;20(4):496-502.
- 1,429 View
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Abstract
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- The pure epithelioid malignant schwanoma is a rare form of malignant schwanoma and differs from the ordinary epithelioid malignant schwanoma because of the absence of a spindle cell component. We present a case of purely epithelioid malignant schwanoma arising in the parapharyngeal area from vagus nerve without difinite evidence of von Recklinghausen's disease. The patient was a 28-year-old man with palpable right neck mass and swallowing difficulty during 2 years. The mass was an ovoid encapsulated tumor and measured 5x3x3 cm in dimension. The cut surface showed brownish tan homogeneous nodular appearance with partly myxoid area. Microscopically the tumor showed nodular pattern composed of epitheliod cells which were arranged in both tight clusters and stringy cords. The cells were ovoid in shape and had vesicular nuclei with single prominent eosinophilic nucleolei and sometimes abundant intracytoplasmic mucin. Mitoses were infrequent. Ultrastructural study showed rudimentary cell junction and degenerated cytoplasmic organelles including scattered mitochondriae, short segments of rough endoplasmic reticulum and lipid droplets. There were no definite basement membrane and melanosome. Immunohistochemical study showed the cells being positive for S100 protein, neuron specific enolase and myelin basic protein and negative for cytokeratin.
- Congenital Cytomegalovirus Infection Associated with Massive Periventricular Calcification and Probably in Burnt out Phase: An autopsy case report.
- Eun Sil Yu, Je Geun Chi
- Korean J Pathol. 1986;20(4):503-508.
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Abstract
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- We report an autopsy case of congenital cytomegalic inclusion disease that was associated with massive periventricular calcification and hydrocephalus. The male boy was bron by cesarian section at 38 weeks of gestational age to a 28 year old mother and was dead two hours after delivery because of respiratory difficulty. Radiologic findings showed characteristic linear periventricular calcification, being associated with marked dilatation of the lateral ventricles. At autopsy, the brain parenchyme became 0.4 cm in average thickness due to obstructive hydrocephalus at aqueductal level. The inner surface of the lateral ventricle showed grayish white granular appearance that could correspond to the calcification seen on plain skull X-ray films. Although active ependymitis, destruction of the brain parenchyma with dystrophic calcification and gliosis were noted, there was no intranuclear inclusion. After scrutinizing many sections of various organs and tissue, we could be able to demonstrate a few inclusion bodies, highly suggestive of cytomegalic inclusion disease. It was discussed that this case might suggest that intranuclear inclusions in cytomegalovirus infection could by very difficult to find particularly when the infection is in inactive phase despite the presence of tissue necrosis and calcification of the brain.
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