Journal of Pathology and Translational Medicine

Su Hyun Yoo

2 Articles

Primary Squamous Cell Carcinoma of the Upper Genital Tract: Utility of p16^INK4a Expression and HPV DNA Status in its Differential Diagnosis from Extended Cervical Squamous Cell Carcinoma: Su Hyun Yoo, Eun-Mi Son, Chang Okh Sung, Kyu-Rae Kim; Korean J Pathol. 2013;47(6):549-556. Published online December 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.6.549

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Background

Primary squamous cell carcinoma (SCC) of the upper genital tract, including the endometrium, fallopian tubes, and ovaries, is extremely rare. It must be distinguished from the mucosal extension of primary cervical SCC because determination of the primary tumor site is important for tumor staging. However, patients with SCC of the fallopian tubes or ovarian surface have often undergone prior hysterectomy with inadequate examination of the cervix, making it difficult to determine the primary site.

Methods

We compared histologic findings, p16^INK4a expression, and human papillomavirus (HPV) DNA status in four patients with primary SCC of the upper genital tract and five patients with primary cervical SCC extending to the mucosa of the upper genital tract.

Results

All five SCCs of cervical origin showed strong expression of p16^INK4a, whereas all four SCCs of the upper genital tract were negative, although one showed weak focal staining. Three of the five cervical SCCs were positive for HPV16 DNA, whereas all four primary SCCs of the upper genital tract were negative for HPV DNA.

Conclusions

Although a thorough histological examination is important, immunonegativity for p16^INK4a and negative for HPV DNA may be useful adjuncts in determining primary SCCs of the upper genital tract.

Citations

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Australasian Journal of Dermatology.2025;[Epub] CrossRef
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Annals of Surgical Oncology.2015; 22(9): 3049. CrossRef

A Solitary Fibrous Tumor with Giant Cells in the Lacrimal Gland: A Case Study: Da Hye Son, Su Hyun Yoo, Ho-Seok Sa, Kyung-Ja Cho; Korean J Pathol. 2013;47(2):158-162. Published online April 24, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.2.158

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7 Crossref

Abstract PDF

Orbital solitary fibrous tumor (SFT) has recently been proposed as the encompassing terminology for hemangiopericytoma, giant cell angiofibroma (GCAF), and fibrous histiocytoma of the orbit. The lacrimal gland is a very rare location for both SFT and GCAF. A 39-year-old man presented with a painless left upper eyelid mass. An orbital computed tomography scan identified a 1.1 cm-sized well-defined nodule located in the left lacrimal gland. He underwent a mass excision. Histopathologic examination showed a proliferation of relatively uniform spindle cells with a patternless or focally storiform pattern. Dilated vessels were prominent, but angiectoid spaces lined with giant cells were absent. Floret-type giant cells were mostly scattered in the periphery. The tumor was immunoreactive for CD34 and CD99, but negative for smooth muscle actin and S-100 protein. This is the first Korean case of SFT of the lacrimal gland with overlapping features of GCAF, suggesting a close relationship between the two entities.

Citations

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Ocular adnexal (orbital) solitary fibrous tumor: nuclear STAT6 expression and literature review
Aleksandra Petrovic, Aurélie Obéric, Alexandre Moulin, Mehrad Hamedani
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Angiofibroma de células gigantes en mucosa yugal: una entidad rara en una localización infrecuente
Alejandro Rubio Fernández, María López Macías, Weimar Toro Zambrano, Mario Díaz Delgado, Alicia Hernández Amate
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