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Ho Jung Lee 10 Articles
Enterobius vermicularis Ova in a Vaginal Smear.
Seung Kyu Choi, Eun Kyung Kim, Young Ok Hong, Ho Jung Lee, Won Mi Lee, Sook Kyung Ko, Jong Eun Joo
Korean J Pathol. 2010;44(3):341-342.
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  • 4 Citations
AbstractAbstract PDF
Enterobius vermicularis is one of the most common parasites found in the intestine of humans. The gravid female worms migrate outside the anus to release eggs on the perianal skin. Rarely, they migrate to the genitourinary tract in female patients. We present a case in which pinworm eggs were found in a cervicovaginal smear of a 37-year-old woman. The eggs were elongated oval shaped and flattened on one side. The thick, double contoured birefringent shell stained bright yellow or orange. Some coarsely granular embryos or curved larvae were enclosed in the refractile shell. Empty eggs or wrinkled shells with clumped granular material were also present. Although pinworm eggs are easily identified because of their characteristic morphologic appearance, careful screening is needed due to the frequent masking by inflammatory cells.


Citations to this article as recorded by  
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    Journal of Microbiology & Experimentation.2022; 10(1): 33.     CrossRef
  • Enterobius vermicularisĀ larvae in urine sample of female student: The first case report in Indonesia
    Didik Sumanto, Sayono Sayono, Puji Lestari Mudawamah
    Journal of Microbiology & Experimentation.2021; 9(1): 1.     CrossRef
  • VaginalEnterobius vermicularisdiagnosed on liquid-based cytology during Papanicolaou test cervical cancer screening: A report of two cases and a review of the literature
    Chun-Yi Tsai, Rachel Junod, Martine Jacot-Guillarmod, Charles Beniere, Sonia Ziadi, Massimo Bongiovanni
    Diagnostic Cytopathology.2018; 46(2): 179.     CrossRef
  • Recurrent paediatric pinworm infection of the vagina as a potential reservoir for Enterobius vermicularis
    B. Kashyap, J.C. Samantray, S. Kumar, R. Jhamb, A.K. Singh, I.R. Kaur
    Journal of Helminthology.2014; 88(3): 381.     CrossRef
Expression of p34(cdc2), p27(Kip1), p21(WAF1/Cip1) and p53 in Human Breast Cancers.
Dong Hoon Kim, Chan Kum Park, Ho Jung Lee, Won Mi Lee, Eun Kyung Kim, Jong Eun Joo
Korean J Pathol. 2005;39(6):391-400.
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AbstractAbstract PDF
Cell cycle progression is governed by cell cycle regulators and inhibitors such as the cyclin dependent kinases (CDK), p27(Kip1), p21(WAF1/Cip1) and p53. The purpose of this study was to correlate expressions of p34(cdc2), p27(Kip1), p21(WAF1/Cip1) and p53 with the various clinicopathologic prognostic parameters of human breast cancers.
The paraffin-embedded tissue sections from 102 patients with human breast carcinomas were examined by performing immunohistochemical staining. The primary antibodies used for immunohistochemical staining were mouse monoclonal antibody to human p34(cdc2), p27(Kip1), p21(WAF1/Cip1), p53, ER and PR.
The expression rates of p34(cdc2), p21(WAF1/Cip1) and p53 were 29.3%, 40.2% and 49.1% in breast carcinomas, respectively. In normal breast tissues, p34(cdc2), p21(WAF1/Cip1) and p53 were not expressed. The p34(cdc2) was expressed in the cytoplasm of cancer cells. The expression rate of p27(Kip1) was 29.3% in breast carcinomas and 100% in normal breast tissues, so the loss of p27(Kip1) expression in breast cancer was noted. The high expression of p21(WAF1/Cip1) in neoplastic cells was associated with the p53 expression (p=0.03). The expression of p27(Kip1) was correlated with that of the progesterone receptor (PR) (p=0.04) and the expression of p21(WAF1/Cip1) was correlated with that of positivity for estrogen receptor (ER) (p=0.04) and PR (p=0.04). No correlation was demonstrated between the mean patient survival and the expression rate of p34(cdc2), p27(Kip1), p21(WAF1/Cip1) and p53.
The loss of the normal cell growth cycle by the abnormal expression of cyclin dependent kinases and their inhibitors and the steroid hormones may play an important role in human breast carcinogenesis. The p53 dependent p21(WAF1/Cip1) pathway, the p27(Kip1) protein loss and the cdc2 overexpression were important in development and progression of human breast cancer.
Submandibular Soft Tissue Actinomycosis Diagnosed by Fine Needle Aspiration Cytology: A Case Report.
Ho Jung Lee, Dong Hoon Kim, Won Mi Lee, Eun Kyung Kim, Jong Eun Joo
Korean J Cytopathol. 2005;16(1):57-60.
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AbstractAbstract PDF
A patient with actinomyces infection of the submandibular soft tissue was diagnosed by fine needle aspiration cytology (FNAC). A 38-year-old woman presented with a right submandibular mass which slowly grew in size over one month. Clinically and radiologically, the lesion was considered as tuberculous lymphadenitis or cellulitis. The polymerase chain reaction for tuberculosis was done by aspirated specimen but the result was negative. The smears of aspiration cytology showed characteristic colonies(sulfur granules) of actinomyces in inflammatory background. After antibiotic therapy for eight months, the patient has been well, showing no detectable mass. This patient was simply and rapidly diagnosed by FNAC and can avoid unnecessary surgical biopsy.
Localized Amyloidosis of the Ureter: A Report of Two Cases.
Ho Jung Lee, Dong Eun Song, Jong Eun Joo, Won Mi Lee, Dong Hoon Kim, Eun Kyung Kim, Jae Y Ro
Korean J Pathol. 2004;38(3):184-187.
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  • 22 Download
AbstractAbstract PDF
We report on two cases of localized amyloidosis involving the ureter. The patients were a 64-year-old woman with right upper quadrant pain (case 1) and a 36-year-old woman suffering from left flank pain and intermittent gross hematuria (case 2). An intravenous pyelography of case 1 revealed multiple filling defects in the entire right ureter, whereas retrograde pyelography in case 2 showed diffuse narrowing in the mid and lower portions of the left ureter. Localized amyloidosis of the ureter was diagnosed in the two cases, and both had amyloid deposit in the renal pelvis and the urinary bladder in case 1, and in the contralateral ureter and the renal pelvis in case 2. Right nephroureterectomy was performed in case 1, but a segmental resection of the ureter with preservation of the kidney was administered in case 2. These two cases demonstrate that ureteral amyloidosis can be associated with amyloid deposition in the renal pelvis and the urinary bladder. Although ureteral amyloidosis is a rare occurrence, it should be considered in the differential diagnosis of ureteral obstruction to avoid unnecessary radical surgery.
A Cytomorphologic Study of Benign and Malignant Papillary Neoplasms of the Breast.
Ho Jung Lee, Gyungyub Gong, Bohng Hee Kim, Sei Hyun Ahn, Jeong Mi Park, Jooryung Huh, Shin Kwang Khang, Jae Y Ro
Korean J Cytopathol. 1999;10(1):27-34.
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AbstractAbstract PDF
Benign and malignant papillary neoplasms of the breast may be difficult to distinguish in both cytologic and histologic preparations. To define the cytologic features of benign and malignant papillary lesions, we retrospectively reviewed 18 cases of fine needle aspirates from histologically confirmed cases of papilloma or papillary carcinoma of the breast. This study included 3 intraductal papillary carci nomas, 3 invasive papillary carcinomas, and 12 intraductal papillomas. All cases were evaluated for presence or absence of papillary fragments, bloody background, apocrine metaplasia, macrophages, and degree of cellularity, atypia, and single isolated columnar epithelial cells. Papillary fragments were present in all cases. The background of the smear was bloody in all 6 carcinomas, but in only 7 out of 12 papillomas. Markedly increased cellularity was present in 4 carcinomas(67%) and 7 papillomas(58%). Single cells were present in 5 carcinomas(83%) and 8 papil lomas(67%). The majority of papillomas and papillary carcinomas had mild to moderate atypia, and severe atypia was noted in one case of intraductal papillary carcinoma and one case of invasive papillary carcinoma. Apocrine metaplasia was absent in all cases of papillary carcinomas, but present in 8 papillomas(67%). Macrophages were noted in 4 carcinomas and were present in all cases of papillomas. The constellation of severe atypia, bloody background, absence of apocrine metaplasia and/or macrophages were features to favor carcinoma. Malignant lesions tended to show higher cellularity and more single isolated cells. The cytologic features mentioned above would be helpful to distinguish benign from malignant papillary lesions of the breast. However, because of overlapping of cytologic features, surgical excision should be warranted in all cases of papillary lesions of the breast to further characterize the tumor.
Fine Needle Aspiration Cytology of Intraoral Lesions .
Ho Jung Lee, Gyungyub Gong, Dong Hae Chung, Jooryung Huh, On Ja Kim
Korean J Cytopathol. 1998;9(2):155-160.
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AbstractAbstract PDF
Fine needle aspiration cytology(FNAC) has become a popular method for the diagnosis of a wide variety of both superficial and deep-seated lesions. However, there are few reports about the potential of FNAC for the diagnosis of intraoral lesions. We experienced 44 FNACs from intraoral lesions at Asan Medical Center: 22 from the palate, 6 from the tongue, 5 from the parapharyngeal space, 5 from the lip, 2 from the floor of mouth, 1 from the buccal mucosa, and 3 from other intraoral sites. Histological confirmation was obtained in 32 cases and we analyzed 27 cases excluding 5 cases of inadequate aspirates. Diagnosis was specifically made in 19 of 27 cases(70%) including 1 mucoepidermoid carcinoma, 1 undifferentiated carcinoma, 1 chordoma, 9 pleomorphic adenomas, 1 neurofibroma, and 6 benign lesions. There were three false negative cases(sensitivity, 62.5%) and no false positive cases(specificity, 100%): Two cases diagnosed as "cystic lesion" were confirmed to be mucoepidermoid carcinomas and a case diagnosed as pleomorphic adenoma was proved to be adenoid cystic carcinoma. The results of our study suggest that FNAC is a useful technique in the diagnosis of intraoral lesion.
Cytologic and Histologic Correlation for Quality Assurance in Aspiration Cytology.
Ho Jung Lee, Young Mee Cho, So Young Park, Joo ryung Huh, On Ja Kim, Gyung Yub Gong
Korean J Pathol. 1997;31(11):1214-1221.
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For quality assurance purposes, the authors correlated aspiration cytology and subsequent tissue findings and examined the reasons for discrepancies. In three months from Jan. to Mar. 1996, 1,383 aspirations were performed, of which 285 (20.6%) had subsequent tissue diagnoses within two months. The aspiration sites were thyroid (483), lymph node (LN) (290), breast (250), soft tissue (154), liver (89), lung (49), salivary gland (26), pancreas (22), gallbladder (3), bone (3), joint (2), adrenal gland (2), scrotum (2), mediastinum (2), omentum (2), oral cavity (1), chest wall (1), and intraabdominal (1) and pelvic cavities (1). A total of 68 discrepancies were identified, and biopsies and smears from these cases were reviewed monthly. In 27 cases (40%), the discrepancy was attributed to sampling error. In five cases (9%), aspiration gave superior results with better sampling and preservation than biopsy. Thirty six cases (53% of discrepant cases) were errors in cytologic diagnosis. We categorized these discrepancies into "A", "B", and "C" ("A": minor disagreement with no affect on patient care, "B": minimal affect on patient care, "C": major affect on patient care), which were 9 (13%), 14 (21%) and 13 (19%) cases, respectively. In thirteen cases of category "C", there were eleven false negative and two false positive diagnoses. Eleven false negative cases included thyroid (3), lymph node (2), breast (2), bone (1), salivary gland (1), lung (1), and liver (1). Three cases of thyroid were papillary carcinomas diagnosed as nodular hyperplasia (1), occasional pleomorphic cells (1), and cystic change (1). Two breast cases of invasive ductal carcinomas were diagnosed as ductal hyperplasia. A malignant lymphoma was diagnosed as reactive hyperplasia and a metastatic carcinoma of LN was diagnosed as tuberculosis. Other cases were malignant tumors of bone, salivary gland, lung, and liver those were misinterpreted as benign lesion or normal. Of two false positive cases, one was nodular hyperplasia of thyroid diagnosed as papillary carcinoma and the other was normal islet cell of pancreas diagnosed as islet cell tumor. A continuous monitoring of laboratory performance is an essential component of the quality control and assurance, and the review of discrepant cases provides useful information for improvement of diagnosis.
Histopathologic Analysis of Helicobacter Pylori Associated Gastritis.
Ho Jung Lee, Eun Sil Yu, In Chul Lee
Korean J Pathol. 1996;30(9):764-774.
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AbstractAbstract PDF
Gastric mucosa shows continuous changes in surface epithelium as well as inflammatory reaction by various substances from the outside and their metabolic products. Gastric mucosal lesions are proven to be associated with bacterial infection by the discovery of Heliobacter pylori(H. pylori) and many studies about histopathologic changes of gastric mucosa associated H. pylori infection has been advanced. It is known that H. pylori associated gastritis displays surface foveolar epithelial changes, such as cytoplasmic vacuolation, mucin loss, juxtaluminal cytoplasm erosion, epithelial denudation, and mucosal irregularity. There have been many studies that H. pylori infection is associated with intestinal metaplasia, gastric dysplasia, and carcinoma. Also chronic H. pylori infection with its induction of gastric lymphoid follicle has been implicated as a precursor of gastric lymphoma of the unique B-cell type that arises from mucosa-associated lymphoid tissue(MALT). However, these gastric mucosal changes are also observed in gastritis with other causes. In this study, we aimed to define specific histopathiologic findings associated with H. pylori infection. A total of 463 gastric biopsy specimens were reviewed. They were Helicobacter-associated gastritis and were divided as many (MH), a few (AH), and no (NH), according to the number of H. pylori. 210 (MH), 131 (AH), and 122 (NH) biopsy specimens were included. Lymphocytes, plasma cells in lamina propria, eosinophils and neutrophils in surface epithelium and crypt as well as lamina propria were graded from 0 to 3. Surface epithelial changes including cytoplasmic vacuolation, mucin loss, juxtaluminal erosion, epithelial denudation and mucosal irregrarity were observed in 200 of 210 cases(95%) in MH group, 34 of 131 cases(26%) in AH group, and 6 of 122 cases(5%) in NH group. This result indicates there is significant difference in surface epithelial changes according to the number of H. pylori(p<0.001). Severity of eosinophil, neutrophil, lymphocyte, and plasma cell infiltration is increased in proportion to the number of H. pylori. Especially, neutrophilic infiltration is not identified in 95 of 122 cases(78%) in NH group, whereas MH group shows severe infitration (grade 3) in 127 of 210 cases(61%), and no (grade 0) in 11 of 210 cases(5%). This data well explains that the severity of neutrophil infiltration is associated with, the degree of H. pylori infection in chronic active gastritis, with statistical significance. The prevalence of lymphoid follicle formation was 17 of 120 cases(14%) in NH group, 24 of 131 cases(18%) in AH group, and 52 of 210 cases(25%) in MH group. This shows that lymphoid follicle formation correlates with the number of H. pylori, but without statistical significance. The prevalence of intestinal metaplasia in NH, AH, and MH was 43 of 122 cases(35%), 46 of 131 cases(35%), and 69 of 210 cases(33%), showing no association between intestinal metaplasia and H. pylori. In summary, H. pylori associated gastritis dispays characteristic histopathological changes in gastric mucosa, in which surface epithelial changes and various inflammatory infiltrates are increased in proportion to the number of H. pylori. Especially vacuolization of surface foveolar epithelium, cryptitis, and crypt abscess are specific findings of H. pylori associated gastritis.
Cardiac Fibroma: A surgically excised case.
Ho Jung Lee, Gyung Ub Gong, Jay Won Lee, Jae Gon Go, In Chul Lee
Korean J Pathol. 1996;30(6):544-547.
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AbstractAbstract PDF
Primary cardiac tumors in infancy and childhood are rare, with fibromas being the second most common tumor after rhabdomyomas. Although cardiac fibromas are characteristically benign intramural tumors, they may exhibit exhibit expansile growth resulting in obstruction, valvular dysfunction, as well as other problems so early diagnosis and successful surgical excision are important. We report a case of cardiac fibroma in a 2 month-old male infant. He presented with generalized cyanosis from birth. Echocardiography showed oval round large mass filing the right atrium and ventricle which infiltrated into the lateral wall of the ventricle. Partial excision of the tumor was done after another echocardiogram showed a pericardial effusion and restriction of blood flow to the right ventricle due to the tumor. The resected tumor was ovoid, gray-tan, slightly firm and measuring 5x3x2.5 cm. Histologically, the tumor was composed of spindle-shaped fibroblasts and hyalinized fibrous tissue interdigitating with the surrounding myocardium.
Giant Cell Myocarditis: A case report.
Ho Jung Lee, Jae Gul Chung, In Chul Lee, Myeong Gun Song, Jae Jung Kim, Jong Goo Lee
Korean J Pathol. 1996;30(6):523-527.
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AbstractAbstract PDF
Giant cell myocarditis(GCM) is a rare inflammatory heart disease which is characterized by multinucleated giant cells and a granulomatous reaction. It usually progresses rapidly and results in a fatal course. We report a patient with giant cell myocarditis who was treated by cardiac transplantation. A 35-year-old male was admitted with dyspnea which had developed 4 months before. On echocardiography, the right and left ventricles were markedly dilated and severe global hypokinesia was noted. He was diagosed with dilated cardiomyopathy with secondary severe mitral regurgitation. His cardiac function deteriorated progressively. He underwent orthotopic heart transplantation. Grossly the heart was enlarged, weighing 420gm and round with a blunt apex. Both right and left ventricles were markedly dilated. There were numerous white patches, measuring up to 4cm, throughout the epi- and myocardium. Microscopically, extensive fibrosis and multiple exuberant granulomas with numerous scattered multinucleated giant cells were seen. Lymphocytes and eosinophils were also frequent. Coronary arteries were unremarkable. Neither microorganisms nor foreign materials were found. By serial endomyocardial biopsies of the transplanted heart, only mild perivascular lymphocytic infiltration was occasionally observed without any evidence of rejection or recurrence of giant cell myocarditis. The patient's postoperative course has been uneventful so far(postoperative 21 months). The etiology of GCM remains to be clarified, although various factors are suspected. No matter what the cause, our experience suggests that this grave disease might be treated well by heart transplantation.

JPTM : Journal of Pathology and Translational Medicine