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Jung Suk An 6 Articles
Solitary Fibrous Tumor of the Conjunctiva with Heretofore Undescribed Pathologic Findings.
Na Rae Kim, Jae Y Ro, Kyung Hwan Shin, Hae Jung Paik, Jung Suk An, Seung Yeon Ha
Korean J Pathol. 2011;45(3):315-318.
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AbstractAbstract PDF
A 37-year-old female presented with a conjunctival mass discovered 3 years prior. An excisional biopsy revealed a patternless proliferation of round and spindle-shaped cells with an eosinophilic fibrillary cytoplasm and vesicular nuclei with occasional inclusions. Psammoma bodies were arranged around the dilated irregularly-shaped vessels. Differential diagnoses included conjunctival solitary fibrous tumor (SFT), nevus, glomangioma, ectopic meningioma, and mesectodermal leiomyoma. The tumor cells were immunoreactive for CD34, CD99, bcl-2 and vimentin, and were negative for smooth muscle actin, desmin, glial fibrillary acidic protein, S-100 protein, epithelial membrane antigen, and human melanoma black-45. Ultrastructurally, the tumor cells had rough endoplasmic reticulum, free ribosomes, and scattered mitochondria without basal lamina or cellular junctions, which are features of fibroblasts. A diagnosis of SFT was rendered based on the light microscopic, immunohistochemical, and electron microscopic findings. We report here on the second case of a SFT arising in the conjunctiva, which clinically and histologically mimics conjunctival nevus, glomangioma, ectopic meningioma, and a hybrid neurogenic-myogenic tumor such as mesectodermal leiomyoma.


Citations to this article as recorded by  
  • Meningeal Solitary Fibrous Tumors with Delayed Extracranial Metastasis
    Nayoung Han, Hannah Kim, Soo Kee Min, Sun-Ha Paek, Chul-Kee Park, Seung-Hong Choi, U-Ri Chae, Sung-Hye Park
    Journal of Pathology and Translational Medicine.2016; 50(2): 113.     CrossRef
Pathologic Findings of Surgically Resected Nontuberculous Mycobacterial Pulmonary Infection.
Hye Jong Song, Jung Suk An, Joungho Han, Won Jung Koh, Hong Kwang Kim, Yong Soo Choi
Korean J Pathol. 2010;44(1):56-62.
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AbstractAbstract PDF
Surgical resection of the involved lung for nontuberculous mycobacteria (NTM) has become an important curative therapy. However, there is limited information on the histopathological features of NTM pulmonary disease in Korean patients with NTM infection.
We evaluated 51 specimens from 49 patients who were treated at our referral center from 2002 to 2009.
Almost all the cases showed bronchiectasis with lymphocytic infiltration. Variable features of granulomatous inflammation were found; well-defined granulomas in the parenchyma (68.6%), pneumonia-like granulomatous lesions (49.0%) and granulomatous inflammation in the bronchial wall (41.2%) were identified. The microscopic findings of cavitary lesions (37.3%) showed that these lesions were composed of granulomas and necrosis.
The differentiation of tuberculosis from NTM could not be accurately made based solely on the histological features. However, the airway centered tendency of NTM reflected an airborn etiology, and this could be correlated with the classification according to the radiological findings. In addition, coexisting constitutional lung diseases, and especially bronchiectasis, were suspected to be predisposing conditions for NTM organisms to colonize and progress to true NTM pulmonary disease.
Adnexal Clear Cell Carcinoma with Comedonecrosis: A Case Report.
Seo Hee Kim, Sun Hee Han, Jung Suk An, Ju Han Lee, Eung Seok Lee, Heum Rye Park, Young Sik Kim
Korean J Pathol. 2010;44(1):92-96.
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AbstractAbstract PDF
Adnexal clear cell carcinoma with comedonecrosis (ACCCC) is a very rare malignancy of the skin with an aggressive clinical course and a predilection for the scalp. This is the first reported case of ACCCC in Korea. A 79-year-old male presented with left abdominal masses that proved to be two subcutaneous nodules. The tumors histologically consisted of epithelial nests that showed a distinctive zonal arrangement. The centrally located clear cell areas with comedonecroses were merged with the peripheral squamoid cells, often exhibiting retraction artifacts and an infiltrating border. Nuclear pleomorphism and frequent mitoses were prominent. The clear cells were immunopositive for carcinoembryonic antigen and epithelial membrane antigen. We report here on a case of ACCCC involving the abdominal skin, and this tumor should be distinguished from the more indolent squamous cell and tricholemmal carcinomas.
Gliosarcoma with Components of Anaplastic Oligodendroglioma and Unclassifiable Spindle Cells: A Case Report.
Jung Woo Choi, Youngseok Lee, Jung Suk An, Nam Hee Won, Yong Gu Chung, Yang Seok Chae
Korean J Pathol. 2008;42(1):45-49.
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AbstractAbstract PDF
Gliosarcoma is a distinct disease entity that is characterized by a biphasic tissue pattern with alternating areas displaying glial and mesenchymal differentiation. The tumor in our case was a rare morphologic variant of gliosarcoma with components of anaplastic oligodendroglioma and unclassifiable spindle cells. Spindle cells showed CD34 and S-100 protein immunoreactivity, which was possibly related to peripheral nerve sheath differentiation. This unique feature has not been described previously and so this case expands the spectrum of possible divergent mesenchymal differentiation, and it lends support to pluripotential stem cells being the origin of this tumor.
The Clinicopathological Characteristics of Gastrointestinal Neuroendocrine Tumors; An Analysis of 65 Cases.
Hyunjoo Lee, Jungwoo Choi, Jung Suk An, Hyunchul Kim, Bong Kyung Shin, Aeree Kim, Hankyeom Kim, Insun Kim
Korean J Pathol. 2007;41(3):149-157.
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AbstractAbstract PDF
: This study was designed to investigate gastrointestinal neuroendocrine tumors with an emphasis on their clinicopathological characteristics.
: Sixty-five cases were reviewed and classified as typical carcinoid (TC), atypical carcinoid (AC), large cell neuroendocrine carcinoma (LCNEC) and small cell carcinoma (SmCC). We performed immunohistochemistry to characterize the expression of the immunoreactivity for synaptophysin, chromogranin, gastrin, somatostatin, thyroid transcription factor-1, p53 and Ki-67.
: Most commonly, the tumors were located in the rectum (54%), followed by the stomach (23%) and colon (9%). Histologically, the tumors were classified as 49 TCs, 4 ACs, 6 LCNECs and 6 SmCCs. Most tumors were stained positive for synaptophysin and/or chromogranin. Four LCNECs and one SmCC were p53-positive. The carcinoids revealed a low level (<5%) of reactivity for Ki-67, while > or =30% of the cells showed reactivity for Ki-67 in the majority of LCNECs and SmCCs. Six patients with metastatic carcinoids were older than those patients without metastasis (64 vs 48 years, respectively, p=0.004). Furthermore, the size of tumors was larger for the patients with metastatic carcinoids than for the patients with nonmetastatic carcinoids (2.3 vs 0.5 cm, respectively, p=0.005).
: Old age, large tumor size and muscle invasion are associated with high grade neuroendocrine tumor and lymph node metastasis for those patients with carcinoids.
Juvenile Xanthogranuloma of the Nasal Cavity: A Case Report and Review of the Literature.
Jung Suk An, Sun Hee Han, Ju Han Lee, Eung Seok Lee, Heum Rye Park, Young Sik Kim
Korean J Pathol. 2006;40(3):241-244.
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AbstractAbstract PDF
Juvenile xanthogranuloma (JXG) is a benign and self-limiting non-Langerhans-cell histiocytosis that generally occurs during infancy and childhood. It develops frequently in the head and neck but is very rare in the nasal cavity. To date, only five cases of JXG in the nasal cavity have been reported. Here, we report the second case of JXG in the nasal cavity in Korea. A 19-year-old male patient presented with a protruding 1.1 cm mass in the left nasal vestibule. Histologically, a dense dermal infiltrate of histiocytes with Touton giant cells was observed. Immunohistochemically, the histiocytes tested positive for CD68 and the S-100 protein but negative for CD1a. This shows that a S-100-positive histiocytic lesion dose not exclude a diagnosis of JXG.

JPTM : Journal of Pathology and Translational Medicine