Gu Min Kang

Kangwon National University Hospital

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Seungsu Jeong

Kangwon National University Hospital

Jong Wuk Hur

Joon Hyun Kim

Seoul National University of Science and Technology

Juwon Lee

Kangwon National University Hospital

Sung Min Lee

Yonsei University

Sora Baek

AtoGen (South Korea)

Jin Ho Jang

Pusan National University Yangsan Hospital

Jung Ho Noh

Kangwon National University

Hyung-Sik Shin

Wonkwang University

Jintae Park

Kangwon National University Hospital

Cooperative Institutions

Kangwon National University Hospital

Seoul National University Hospital

Hallym University

Seoul National University Bundang Hospital

Seoul National University

Catholic Kwandong University

Kangwon National University

National Research Foundation of Korea

Sungkyunkwan University

Seoul National University of Science and Technology

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The Cellular Characteristics of the Secondary Pupillary Membrane.

Journal of the Korean Ophthalmological Society (2002)

Gu Min Kang Jong Wuk Hur Jin Ho Jang Sung Min Lee Joon Hyun Kim

Purpose : This study was performed to investigate the cellular characteristics of the secondary pupillary membrane. Methods : The secondary pupillary membrane was removed from the anterior lens surface during cataract extraction from 2 patients with cataract associated with uveitis. Specimen from one patient was stained with hematoxylin-eosin with flat preparation method. Specimen from the other patient cultured for 1 and 2 weeks was observed with transmission electron microscopy. Results : The flat preparation showed the neovascular membrane with pigment-laden cells. The cultured cells consisted of the well preserved vascular components which had the vascular endothelial cells and pericyte and pigment-laden cells lined by basement membrane on first week of culture. The iris pigment epithelial cell which contained the pigment granules within cytoplasm and lined by basement membrane were observed on second week of culture. Conclusions : These results suggest that the secondary pupillary membrane consists of vascular membrane and pigment epithelial cell of iris which is a major component of secondary pupillary membrane and secrets extracellular matrix.

Pericyte

IRIS (biosensor)

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The Use of Ascorbic Acid after Excimer Laser Photo refractive Keratectomy in Rabbits.

Journal of the Korean Ophthalmological Society (1996)

Gu Min Kang Won Ryang Wee

Excimer

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Clinical Results of Phacoemulsification with Scleral Pocket Incision in Diabetic Patients.

Journal of the Korean Ophthalmological Society (1996)

Gu Min Kang Jin Hak Lee

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Cytologic Findings of Epithelial-Myoepithelial Carcinoma of the Salivary Gland: A Case Report.

The Korean Journal of Cytopathology (1996)

Eun-Sook Nam Gu Min Kang Hyung-Sik Shin

The report of aspiration cytologic findings of epithelial-myoepithelial carcinoma(EMC) in the salivary gland is extremely rare. We present a case of fine needle aspiration cytology(FNAC) from EMC in the right submandibular gland of a 46 years old male patient. Neck CT scan revealed a confined lesion in the submandibular gland without enlargement of the regional lymph node. FNAC from the tumor showed several three-dimensional cellular clusters with admixed normal acinar cells. They frequently formed blanching tubular structures composed of two type of cells; darker cells haying eosinophilic scanty cytoplasm with round dense nuclei and clear cells having abudant pale cytoplasm with vesicular nuclei at the periphery of clusters. The tumor cells of both types did not show pleomorphism or mitoses. The resected submandibular gland showed an ill-defined whitish firm tumor, measuring . The histology revealed an infiltrative tumor showing characteristic two cell types in a duct-like arrangement surrounded by thin basement menbrane. An inner layer of darker cells and outer layer of clear cells were postive for cytokeratin in the former and S-100 protein in the taller on the immunohistochemical stain.

Histology

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Granular Cell Tumor: An Unusual Cause of Common Peroneal Neuropathy

Journal of Electrodiagnosis and Neuromuscular Diseases (2023)

Juwon Lee Jintae Park Seungsu Jeong Jung Ho Noh Gu Min Kang

Granular cell tumors, also known as Abrikossoff’s tumors, are rare soft-tissue tumors, and their occurrence in the peripheral nerves has been very rarely reported. We present the case of a 35-year-old woman with common peroneal neuropathy due to a granular cell tumor, who complained of foot dragging. Common peroneal neuropathy was confirmed by electrophysiology. The tumor mass was observed using ultrasonography and magnetic resonance imaging. The tumor was surgically excised, the tumor cells stained positive for S-100, and eosinophilic granular cytoplasm was observed using microscopy. To the best of our knowledge, this is the first report of a granular cell tumor involving the common peroneal nerve.

Granular Cell Tumor

Common peroneal nerve

Granular cell

10.18214/jend.2023.00038

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