Journal of Pathology and Translational Medicine

Original Article

Clinicopathologic characterization of cervical metastasis from an unknown primary tumor: a multicenter study in Korea: Miseon Lee, Uiree Jo, Joon Seon Song, Youn Soo Lee, Chang Gok Woo, Dong-Hoon Kim, Jung Yeon Kim, Sun Och Yoon, Kyung-Ja Cho; J Pathol Transl Med. 2023;57(3):166-177. Published online May 10, 2023; DOI: https://doi.org/10.4132/jptm.2023.04.12

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Background
Research regarding cervical metastasis from an unknown primary tumor (CUP) according to human papillomavirus (HPV) and Epstein-Barr virus (EBV) status in Korea has been sporadic and small-scale. This study aims to analyze and understand the characteristics of CUP in Korea according to viral and p16 and p53 status through a multicenter study.
Methods
Ninety-five cases of CUP retrieved from six hospitals in Korea between January 2006 and December 2016 were subjected to high-risk HPV detection (DNA in situ hybridization [ISH] or real-time polymerase chain reaction), EBV detection (ISH), and immunohistochemistry for p16 and p53.
Results
CUP was HPV-related in 37 cases (38.9%), EBV-related in five cases (5.3%), and unrelated to HPV or EBV in 46 cases (48.4%). HPV-related CUP cases had the best overall survival (OS) (p = .004). According to the multivariate analysis, virus-unrelated disease (p = .023) and longer smoking duration (p < .005) were prognostic factors for poor OS. Cystic change (p = .016) and basaloid pattern (p < .001) were more frequent in HPV-related cases, and lymphoepithelial lesion was frequent in EBV-related cases (p = .010). There was no significant association between viral status and p53 positivity (p = .341), smoking status (p = .728), or smoking duration (p = .187). Korean data differ from Western data in the absence of an association among HPV, p53 positivity, and smoking history.
Conclusions
Virus-unrelated CUP in Korea had the highest frequency among all CUP cases. HPV-related CUP is similar to HPV-mediated oropharyngeal cancer and EBVrelated CUP is similar to nasopharyngeal cancer in terms of characteristics, respectively.

Citations

Citations to this article as recorded by

Expansion of tumor-infiltrating lymphocytes from head and neck squamous cell carcinoma to assess the potential of adoptive cell therapy
Sangjoon Choi, Mofazzal Hossain, Hyun Lee, Jina Baek, Hye Seon Park, Chae-Lyul Lim, DoYeon Han, Taehyun Park, Jong Hyeok Kim, Gyungyub Gong, Mi-Na Kweon, Hee Jin Lee
Cancer Immunology, Immunotherapy.2024;[Epub] CrossRef

Case Study

Hepatoid thymic carcinoma: a case report of a rare subtype of thymic carcinoma: Ji-Seon Jeong, Hyo Jeong Kang, Uiree Jo, Min Jeong Song, Soon Yeol Nam, Joon Seon Song; J Pathol Transl Med. 2021;55(3):230-234. Published online April 14, 2021; DOI: https://doi.org/10.4132/jptm.2021.03.10

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Abstract PDF

Hepatoid thymic carcinoma is an extremely rare subtype of primary thymus tumor resembling “pure” hepatoid adenocarcinomas with hepatocyte paraffin 1 (Hep-Par-1) expression. A 53-year-old man presented with voice change and a neck mass. Multiple masses involving the thyroid, cervical and mediastinal lymph nodes, and lung were detected on computed tomography. Papillary thyroid carcinoma was confirmed by biopsy, and the patient underwent neoadjuvant chemoradiation therapy. However, the anterior mediastinal mass was enlarged after the treatment whereas the multiple masses in the thyroid and neck decreased in size. Microscopically, polygonal tumor cells formed solid sheets or trabeculae resembling hepatocytes and infiltrated remnant thymus. The tumor cells showed immunopositivity for cytokeratin 7, cytokeratin 19, and Hep-Par-1 and negativity for α-fetoprotein. Possibilities of germ cell tumor, squamous cell carcinoma, and metastasis of thyroid papillary carcinoma were excluded by immunohistochemistry. This report on the new subtype of thymic carcinoma is the third in English literature thus far.

Citations

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Hepatoid thymic carcinoma in a polycythemia vera patient treated with ropeginterferon Alfa-2b: Clinical, histopathological and molecular correlates
Giuseppe G. Loscocco, Margherita Vannucchi, Raffaella Santi, Andrea Amorosi, Stefania Scarpino, Maria Chiara Siciliano, Paola Guglielmelli, Claudio Tripodo, Arianna Di Napoli, Alessandro M. Vannucchi
Pathology - Research and Practice.2024; 263: 155648. CrossRef
Hepatoid tumors of the gastrointestinal/pancreatobiliary district: morphology, immunohistochemistry, and molecular profiles
Paola Mattiolo, Aldo Scarpa, Claudio Luchini
Human Pathology.2023; 132: 169. CrossRef

Original Article

Primary squamous cell carcinoma of the salivary gland: immunohistochemical analysis and comparison with metastatic squamous cell carcinoma: Uiree Jo, Joon Seon Song, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim, Kyung-Ja Cho; J Pathol Transl Med. 2020;54(6):489-496. Published online August 31, 2020; DOI: https://doi.org/10.4132/jptm.2020.07.19

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Abstract PDF Supplementary Material

Background
Primary squamous cell carcinoma (SCC) of the salivary gland is a rare disease, and distinguishing primary SCC from metastatic SCC is difficult. This study investigated the histological and immunohistochemical differences between primary and metastatic salivary gland SCC to improve the accuracy of diagnosis and to explore the pathogenesis of this disease.
Methods
Data of 16 patients who underwent surgery for SCC of salivary glands between 2000 and 2018 at Asan Medical Center were retrieved. Eight patients had a history of SCC at other sites, and eight patients had only salivary gland SCC. Immunostaining for p16, p53, androgen receptor (AR), gross cystic disease fluid protein 15 (GCDFP-15), and c-erbB2, as well as mucicarmine staining, were compared between the two groups.
Results
Most tumors were located in the center of the salivary glands with extraparenchymal extension. The histology of primary SCC of the salivary gland was consistent with moderately differentiated SCC with extensive desmoplastic reaction and peritumoral inflammation. Involvement of the salivary gland ducts and transition into the ductal epithelium were observed in two cases. Metastatic SCC resembled the primary tumor histologically and was associated with central necrosis. Both groups exhibited negative mucin staining. Two, one, and one primary SCC case exhibited AR, GCDFP-15, and c-erbB2 positivity, respectively.
Conclusions
A subset of primary SCCs originated in salivary ducts or was related to salivary duct carcinoma. Distinguishing primary from metastatic SCC of the salivary gland is difficult using histologic features and immunoprofiles. A comprehensive review of the medical history is essential.

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A case of primary squamous cell carcinoma of the parotid gland and review of the literature
Jingli Zhao, Xinrong Nan, Chuhuan Zhou, Nan Jiang, Liangliang Tian
Journal of Case Reports and Images in Oncology.2024; 10(1): 7. CrossRef
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Virchows Archiv.2024; 485(1): 3. CrossRef
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Lindsay Holic
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Salivary duct carcinoma with squamous differentiation: histomorphological and immunophenotypical analysis of six cases
Melad N Dababneh, Christopher C Griffith, Kelly R Magliocca, Ivan J Stojanov
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Carla Saoud, Hansen Lam, Sandra I. Sanchez, Zahra Maleki
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Michał Żurek, Łukasz Fus, Kazimierz Niemczyk, Anna Rzepakowska
European Archives of Oto-Rhino-Laryngology.2023; 280(11): 4739. CrossRef
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Sorin Vamesu, Oana Andreea Ursica, Ana Maria Gurita, Raluca Ioana Voda, Mariana Deacu, Mariana Aschie, Madalina Bosoteanu, Georgeta Camelia Cozaru, Anca Florentina Mitroi, Cristian Ionut Orasanu
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Raed Farhat, Noam Asna, Yaniv Avraham, Ashraf Khater, Majd Asakla, Alaa Safia, Sergio Szvalb, Nidal Elkhatib, Shlomo Merchavy
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Morphologic CT and MRI features of primary parotid squamous cell carcinoma and its predictive factors for differential diagnosis with mucoepidermoid carcinoma
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Pawan Hingnikar, Anendd Jadhav, Nitin D Bhola
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