Journal of Pathology and Translational Medicine

Case Study

Cytopathologic Features of Secretory Carcinoma of Salivary Gland: Report of Two Cases: Young Ah Kim, Jae Won Joung, Sun-Jae Lee, Hoon-Kyu Oh, Chang Ho Cho, Woo Jung Sung; J Pathol Transl Med. 2019;53(1):70-74. Published online December 28, 2018; DOI: https://doi.org/10.4132/jptm.2018.11.09

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Secretory carcinoma of the salivary gland (SC) is a newly introduced rare salivary gland tumor that shares histological, immunohistochemical, and genetic characteristics with secretory carcinoma of the breast. Here, we report the cytologic features of two cases of SC confirmed by surgical resection. In these two cases, SC was incidentally detected in a 64-year-old female and a 56-yearold male. Fine needle aspiration cytology revealed nests of tumor cells with a papillary or glandular structure floating in mucinous secretions. The tumor cells demonstrated uniform, round, smooth nuclear contours and distinct nucleoli. Multiple characteristic cytoplasmic vacuoles were revealed. Singly scattered tumor cells frequently showed variable sized cytoplasmic vacuoles. The cytopathologic diagnosis of SC should be considered when characteristic cytological findings are revealed. Further immunohistochemistry and gene analyses are helpful to diagnose SC.

Citations

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Salivary Gland Secretory Carcinoma; Review of 13 Years World‐Wide Experience and Meta‐Analysis
Eyal Yosefof, Tomer Boldes, Daniel Dan, Eyal Robenshtok, Yulia Strenov, Gideon Bachar, Thomas Shpitzer, Aviram Mizrachi
The Laryngoscope.2024; 134(4): 1716. CrossRef
Efficacy of Fine-Needle Aspiration Cytology in Diagnosing Secretory Carcinoma of Salivary Gland: A Systematic Review and Meta-Analysis
Pooja Sharma Kala, Mamta Gupta, Naveen Thapliyal
Acta Cytologica.2024; 68(2): 83. CrossRef
An Underappreciated Cytomorphological Feature of Secretory Carcinoma of Salivary Gland on Fine Needle Aspiration Biopsy: Case Report with Literature Review
Yinan Hua, Bing Leng, Kenneth E. Youens, Lina Liu
Head and Neck Pathology.2022; 16(2): 567. CrossRef
Prognostic factors in mammary analogue secretory carcinomas of the parotid gland: Systematic review and meta‐analysis
Stefan Janik, Muhammad Faisal, Blazen Marijić, Stefan Grasl, Matthaeus Ch. Grasl, Gregor Heiduschka, Boban M. Erovic
Head & Neck.2022; 44(3): 792. CrossRef
A systematic review of secretory carcinoma of the salivary gland: where are we?
Lísia Daltro Borges Alves, Andreia Cristina de Melo, Thayana Alves Farinha, Luiz Henrique de Lima Araujo, Leandro de Souza Thiago, Fernando Luiz Dias, Héliton Spíndola Antunes, Ana Lucia Amaral Eisenberg, Luiz Claudio Santos Thuler, Daniel Cohen Goldember
Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology.2021; 132(4): e143. CrossRef
Clinical characteristics of acinic cell carcinoma and secretory carcinoma of the parotid gland
Tetsuya Terada, Ryo Kawata, Keiki Noro, Masaaki Higashino, Shuji Nishikawa, Shin-ichi Haginomori, Yoshitaka Kurisu, Hiroko Kuwabara, Yoshinobu Hirose
European Archives of Oto-Rhino-Laryngology.2019; 276(12): 3461. CrossRef

Brief Case Report

Pleomorphic Adenoma of the Trachea: A Case Report: Ki-Sung Park, Woo Jung Sung; Korean J Pathol. 2013;47(4):399-401. Published online August 26, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.399

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Citations

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Pleomorphic adenoma of the trachea: A case report
Mayu Inomata, Shoei Kuroki, Nobuyuki Oguri, Yuichiro Sato, Fumiya Kawano, Ryo Maeda
International Journal of Surgery Case Reports.2023; 109: 108499. CrossRef
Corrélation clinique, endoscopique, histologique et radiologique des tumeurs et pseudo-tumeurs de la trachée
Y. El Hassani, L. Belliraj, A. Miry, M. Haloua, N. Hammas, Y. Ouadnouni, M.Y. Alaoui Lamrani, M. Boubbou, H. El Fatemi, M. Serraj, M. Smahi, B. Amara, M. Maaroufi, B. Alami
Journal d'imagerie diagnostique et interventionnelle.2021; 4(5): 317. CrossRef
Pleomorphic Adenoma of the Trachea
Abel P. David, Stephen R. Bakos, James J. Daniero
Ear, Nose & Throat Journal.2020; 99(4): 235. CrossRef
A case report of bronchial pleomorphic adenoma in a child in China
Haiqin Zhong, Silei Yan, Kung Jiang, Yijing Hu, Xiaoyan Dong
BMC Pulmonary Medicine.2020;[Epub] CrossRef
Pleomorphic adenoma of the trachea: A case report and review of the literature
Qian-Nuan Liao, Ze-Kui Fang, Shu-Bing Chen, Hui-Zhen Fan, Li-Chang Chen, Xi-Ping Wu, Xi He, Hua-Peng Yu
World Journal of Clinical Cases.2020; 8(23): 6021. CrossRef
Pleomorphic adenoma of the trachea: A case report and review of the literature
Qian-Nuan Liao, Ze-Kui Fang, Shu-Bing Chen, Hui-Zhen Fan, Li-Chang Chen, Xi-Ping Wu, Xi He, Hua-Peng Yu
World Journal of Clinical Cases.2020; 8(23): 6026. CrossRef
Obstructive tracheal neoplasm
Badreeddine Alami, Saïd Boujraf, Mohamed Smahi, Mounia Serraj, Moulay Youssef Alaoui Lamrani, Meryem Boubbou, Mustapha Maaroufi
Formosan Journal of Surgery.2019; 52(3): 92. CrossRef
Tracheal pleomorphic adenoma with coexisting pulmonary tuberculoma
Jehun Kim, Chul-Ho Oak, Tae-Won Jang, Mann-Hong Jung
Yeungnam University Journal of Medicine.2018; 35(1): 114. CrossRef
Right main bronchial pleomorphic adenoma
Zhixing Zhu, Xihua Lian, Dongyong Yang
Medicine.2018; 97(42): e12648. CrossRef

Case Study

Epithelioid Trophoblastic Tumor: Clinicopathologic and Immunohistochemical Analysis of Three Cases: Woo Jung Sung, Hyeong Chan Shin, Min-Kyung Kim, Mi Jin Kim; Korean J Pathol. 2013;47(1):67-73. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.67

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Abstract PDF

Epithelioid trophoblastic tumor is an unusual type of trophoblastic tumor. Here we report on the clinicopathologic and immunohistochemical features of three cases of epithelioid trophoblastic tumor. All three patients were of reproductive age and presented with vaginal bleeding and mild elevation of human chorionic gonadotropin (hCG). All patients underwent a hysterectomy. The tumors consisted of epithelioid intermediate trophoblastic cells that were mononucleated and eosinophilic, or showed clear cytoplasm on microscopic examination. One case presented with a focal choriocarcinoma component. Immunohistochemically, the tumors displayed diffuse positivity for cytokeratin 18, E-cadherin, epidermal growth factor receptor, and p53 and focal positivity for p63 and hCG. However, expression of α-inhibin and placental alkaline phosphatase was almost negative. Tests for human placental lactogen and epithelial membrane antigen were also negative in all cases.

Citations

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Epithelioid Trophoblastic Tumour: A Case with Genetic Linkage to a Child Born over Seventeen Years Prior, Successfully Treated with Surgery and Pembrolizumab
David Pisani, Jean Calleja-Agius, Riccardo Di Fiore, John J. O’Leary, James P. Beirne, Sharon A. O’Toole, Ana Felix, Ian Said-Huntingford
Current Oncology.2021; 28(6): 5346. CrossRef
Epithelioid Trophoblastic Tumor
Stephanie M. McGregor, Larissa V. Furtado, Anthony G. Montag, Rebecca Brooks, Ricardo R. Lastra
International Journal of Gynecological Pathology.2020; 39(1): 8. CrossRef
Epithelioid trophoblastic tumor in a postmenopausal woman: A case report and review of the literature in the postmenopausal group
Seyran Yigit, Eylul Gun, Bulent Yilmaz, Zafer Kolsuz
Indian Journal of Pathology and Microbiology.2020; 63(5): 98. CrossRef
Double trouble: Extrauterine epithelioid trophoblastic tumor with uterine choriocarcinoma - An autopsy report
Kusum Jashnani, Alshifa Yagana, Niraj Mahajan
Indian Journal of Cancer.2020;[Epub] CrossRef
Epithelioid trophoblastic tumor coexisting with choriocarcinoma around an abdominal wall cesarean scar: a case report and review of the literature
Chunfeng Yang, Jianqi Li, Yuanyuan Zhang, Hanzhen Xiong, Xiujie Sheng
Journal of Medical Case Reports.2020;[Epub] CrossRef
Placental site trophoblastic tumor and epithelioid trophoblastic tumor: Clinical and pathological features, prognostic variables and treatment strategy
Angiolo Gadducci, Silvestro Carinelli, Maria Elena Guerrieri, Giovanni Damiano Aletti
Gynecologic Oncology.2019; 153(3): 684. CrossRef
Diagnosis and Management of Mixed Gestational Trophoblastic Neoplasia: A Study of 16 Cases and a Review of the Literature
Yujia Kong, Guangshi Tao, Liju Zong, Junjun Yang, Xirun Wan, Wenze Wang, Yang Xiang
Frontiers in Oncology.2019;[Epub] CrossRef
A Case Series of Five Patients With Pure or Mixed Gestational Epithelioid Trophoblastic Tumors and a Literature Review on Mixed Tumors
Ka Yu Tse, Keith Wan Hang Chiu, Karen Kar Loen Chan, Mandy Man Yee Chu, Siew Fei Ngu, Annie Nga Yin Cheung, Hextan Yuen Sheung Ngan, Philip Pun Ching Ip
American Journal of Clinical Pathology.2018; 150(4): 318. CrossRef
MR Imaging of Uterine Epithelioid Trophoblastic Tumor: A Case Report
Sakiko KAGEYAMA, Masafumi KANOTO, Yukio SUGAI, Takeshi SUTO, Satoru NAGASE, Mitsumasa OSAKABE, Takaaki HOSOYA
Magnetic Resonance in Medical Sciences.2016; 15(4): 411. CrossRef
Pharmacotherapy of placental site and epithelioid trophoblastic tumours
Fiona Taylor, Barry W Hancock
Expert Opinion on Orphan Drugs.2015; 3(1): 75. CrossRef
A Well-Circumscribed Border with Peripheral Doppler Signal in Sonographic Image Distinguishes Epithelioid Trophoblastic Tumor from Other Gestational Trophoblastic Neoplasms
Jiale Qin, Weiwen Ying, Xiaodong Cheng, Xiaodong Wu, Bingjian Lu, Yun Liang, Xinyu Wang, Xiaoyun Wan, Xing Xie, Weiguo Lu, Hai-Yan Lin
PLoS ONE.2014; 9(11): e112618. CrossRef

Case Reports

Diagnostic Importance of Recognition of Calcareous Corpuscles and Larva Part in the Diagnosis of Sparganosis by Fine Needle Aspiration Cytology: Reports of Three Cases of Mammary Sparganosis.: Woo Jung Sung, Seok Ju Park, Young Kyung Bae, Mi Jin Kim; Korean J Pathol. 2011;45(5):542-546.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.5.542

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Abstract PDF: Sparganosis of the breast is an uncommon disease. Cytological granulomatous inflammation is a common feature of sparganosis. The presence of larval fragments is necessary for a definitive diagnosis of sparganosis in a cytological specimen. However, calcareous corpuscles entrapped in necrotic debris can be very diagnostic for sparganosis in endemic areas. We experienced three cases of mammary sparganosis diagnosed by fine needle aspiration cytology before surgical excision. Two cases showed numerous calcareous corpuscles associated with necrotic debris thought to be degenerated parasitic bodies. The remaining case revealed a few degenerative calcareous corpuscles and parasitic bodies. The presence of calcareous corpuscles and/or degenerative parasitic bodies can be an aid in the differential diagnosis between sparganosis and other forms of granulomatous mastitis, particularly in endemic areas of sparganosis.

A Fibroma with Cystic Change Developing in an Accessory Ovary: A Brief Case Report.: Ae Ri Kim, Woo Jung Sung, Mi Jin Kim; Korean J Pathol. 2011;45(3):319-321.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.319

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Abstract PDF

Accessory ovaries are rare entities defined as small portions of ovarian tissue situated near, and connected to, the normally placed ovary. Tumors arising in accessory ovaries are extremely rare. In particular, a fibroma arising from an accessory ovary has not been reported in the literature. We describe such a case with a fibroma developing in an accessory ovary. A 53-year-old multiparous woman presented with abdominal pain for 2 months. Pelvic computed tomography revealed 11.0x8.0x6.0 cm sized cystic mass with a thick septal wall in right adnexa. The preoperative diagnosis was a borderline ovarian tumor. Furthermore, a laparotomy showed a cystic mass connected to the right ovary by stalk. The bilateral eutopic ovaries were completely normal. Histologically, an accessory ovary was replaced by a fibroma accompanied by extensive cystic change.

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A Rare Case of Extensive Degeneration in Bilateral Ovarian Fibroma Mimicking Large Ovarian Cystadenoma
Tjokorda GA Pemayun, I Nyoman G Budiana
Journal of SAFOMS.2018; 6(2): 139. CrossRef

Mature Cystic Teratoma of the Fallopian Tube: A Brief Case Report.: Woo Jung Sung, Jun Mo Kim, Mi Jin Kim; Korean J Pathol. 2011;45(3):303-305.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.303

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Abstract PDF

Mature cystic teratomas of the fallopian tube are unusual, being almost incidentally identified. Here we describe a case of mature cystic teratoma arising in the fallopian tube, in a 44-year-old female. The mass was found during a regular checkup without complication. Microscopically, components from each germ layer were identified.

Citations

Citations to this article as recorded by

Mature Cystic Teratoma of the Fallopian Tube in a Postmenopausal Woman: A Case Report and Review of the Literature
Mustafa Erkan Sari, Ozhan Ozdemir, Pinar Kadirogullari, Funda Arpaci Ertugrul, Cemal Resat Atalay
Case Reports in Obstetrics and Gynecology.2015; 2015: 1. CrossRef

Original Articles

p16INK4a, PTEN, E-cadherin, Bcl-2 and Ki-67 Expression in Prostate Cancer: Its Relationship with the Metastatic Potential and Known Prognostic Factors.: Seok Ju Park, Woo Jung Sung, Mi Jin Kim; Korean J Pathol. 2010;44(6):597-604.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.6.597

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Abstract PDF

BACKGROUND
At present, adequate prognostic markers for prostate cancer progression are still lacking, in spite of intensive investigation. Accordingly, our study examined the relationship between expression of candidate biomarkers and metastasis in prostate cancer patients. Correlation of molecular markers with prostate-specific antigen (PSA) level, Gleason sum score and tumor stage were also evaluated.
METHODS
A total of 105 prostate tumor specimens and specimens from 19 cases of nodular hyperplasia were obtained through Yeungnam University Hospital from 2007 to 2008. Immunohistochemical analyses for p16INK4a, phosphatase and tensin homolog (PTEN), E-cadherin, Ki-67 and Bcl-2 were performed.
RESULTS
Overexpression of Bcl-2 was significantly related to bone (p = 0.006) and nodal metastases (p = 0.017). Other biomarkers were not related to metastatic potential. There were statistically significant relationships between increased PSA level and loss of expression of PTEN (p = 0.019) and E-cadherin (p = 0.001). High Ki-67 index was significantly correlated with nodal metastasis (p = 0.029) as well as with loss of p16INK4a expression (p = 0.002) and high Gleason score (p = 0.011).
CONCLUSIONS
High Gleason score, Bcl-2 overexpression and increased Ki-67 labeling have significant predictive value in assessing the potential for prostate cancer metastasis. In addition, a high Ki-67 index is related to high Gleason score and loss of p16INK4a expression.

Citations

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Over-expression of β-catenin is associated with high grade of prostatic cancer in Libyan patients
W. Said, F. Emaetig, K. El Gehani, T. Eldarat, A. Buhmeida, N. Enattah, A. Elzagheid, O. Al-Fituri
African Journal of Urology.2017; 23(2): 133. CrossRef
Bcl2 en cáncer avanzado de próstata y asociación con resistencia a la castración
R.F. Velázquez-Macías, F.E. De La Torre-Rendón, G. Ramos-Rodríguez, C.A. Calzada-Mendoza, R.M. Coral-Vázquez
Revista Mexicana de Urología.2016; 76(5): 288. CrossRef
Hedgehog signaling protein expression and its association with prognostic parameters in prostate cancer: A retrospective study from the view point of new 2010 anatomic stage/prognostic groups
Tae‐Jung Kim, Ji Youl Lee, Tae‐Kon Hwang, Chang Suk Kang, Yeong‐Jin Choi
Journal of Surgical Oncology.2011; 104(5): 472. CrossRef

Automated Silver-enhanced In Situ Hybridization for Evaluation of HER2 Gene Status in Breast Carcinoma: Comparison with Fluorescence In Situ Hybridization and Immunohistochemistry.: Woo Jung Sung, Seok Ju Park, Mi Jin Gu, Young Kyung Bae; Korean J Pathol. 2010;44(1):28-34.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.28

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Abstract PDF

BACKGROUND
The human epidermal growth factor receptor 2 (HER2) is amplified in 20-25% of breast cancers. HER2 overexpression or amplification is associated with a worse clinical outcome and it can predict the benefit from anthracycline and anti-HER2 therapies. The HER2 status has usually been assessed by immunohistochemistry (IHC) or fluorescence in situ hybridization (FISH) in clinical samples. A new silver-enhanced in situ hybridization (SISH) technique was recently introduced. Therefore we evaluated the usefulness of SISH for detecting HER2 amplification.
METHODS
Tissue microarrays (TMAs) were constructed with 144 invasive breast cancer tissue samples. We performed IHC, FISH and SISH for HER2 on the tissue sections from the TMAs and we interpreted the results according to the American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guidelines. The concordant rates between the two different tests were calculated.
RESULTS
HER2 was overexpressed and amplified in 16.9%, 16.9%, and 18% of the cases by IHC, FISH and SISH, respectively. The concordant rates between IHC and FISH, IHC and SISH, and FISH and SISH were 95.1%, 95.7%, and 97.8%, respectively.
CONCLUSIONS
SISH can be an alternative test for evaluating HER2 amplification because the 97.8% concordance with FISH satisfies the ASCO/CAP requirement of > 95% concordance with an alternative validated method.

Citations

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HER2 assessment by silverin situhybridization: where are we now?
Francesca Sanguedolce, Pantaleo Bufo
Expert Review of Molecular Diagnostics.2015; 15(3): 385. CrossRef
Diagnostic Effectiveness of PCR-based Tests DetectingBRAFMutation for Treating Malignant Melanoma: A Systematic Review
Hae-Won Shin, Ryeo-Jin Ko, Min Lee, Hee-Young Bang, Kye-Chul Kwon, Jong-Woo Park, Sun-Hoe Koo
Laboratory Medicine Online.2014; 4(4): 203. CrossRef
Effectiveness of Silver-enhanced In Situ Hybridization for Evaluating HER2 Gene Status in Invasive Breast Carcinoma: A Comparative Study
Youngseok Lee, Youngjoon Ryu, Hoiseon Jeong, Hyeyoon Chang, Younghye Kim, Aeree Kim
Archives of Medical Research.2012; 43(2): 139. CrossRef
HER2 Status by Standardized Immunohistochemistry and Silver-EnhancedIn SituHybridization in Korean Breast Cancer
Young Kyung Bae, Gyungyub Gong, Jun Kang, Ahwon Lee, Eun Yoon Cho, Ji Shin Lee, Kwang-Sun Suh, Dong Wha Lee, Woo Hee Jung
Journal of Breast Cancer.2012; 15(4): 381. CrossRef
Multiplication of Chromosome 17 Centromere Is Associated with Prognosis in Patients with Invasive Breast Cancers Exhibiting NormalHER2andTOP2AStatus
Aeri Kim, Hyung Chan Shin, Young Kyung Bae, Min Kyoung Kim, Su Hwan Kang, Soo Jung Lee, Eun Hee Lee
Journal of Breast Cancer.2012; 15(1): 24. CrossRef
HER2-Positive Breast Carcinomas with Co-amplification or Gain of Chromosome 17 Centromere Locus: Report of Three Cases and an Impact on HER2 Testing
Hyeong Chan Shin, Young Kyung Bae, Aeri Kim, Seok Ju Park
The Korean Journal of Pathology.2011; 45(6): 665. CrossRef
The Effectiveness of SilverIn SituHybridization in Patients with Breast Cancer: A Systematic Review
Sunyoung Jang, Seon-Heui Lee, Soojin Kim, You-Kyoung Lee, Young-Hyuck Im, Wonshik Han, Hee-Sook Park
Journal of Breast Cancer.2011; 14(Suppl 1): S1. CrossRef
Clinical and health economic outcomes of alternative HER2 test strategies for guiding adjuvant trastuzumab therapy
James A Lee, Megan Shaheen, Thomas Walke, Matt Daly
Expert Review of Pharmacoeconomics & Outcomes Research.2011; 11(3): 325. CrossRef
HER2 expression in breast cancer: Comparisons of fluorescence in situ hybridization and silver in situ hybridization, and immunohistochemical staining using monoclonal antibody and polyclonal antibody
Jung Sik Jang, Eun Jeong Jang, Ji‐Young Park
Basic and Applied Pathology.2010; 3(4): 115. CrossRef
HER2Status in Gastric Adenocarcinomas Assessed by Immunohistochemistry, Automated Silver-EnhancedIn SituHybridization and FluorescenceIn SituHybridization
Aeri Kim, Jung Min Bae, Se Won Kim, Mi Jin Gu, Young Kyung Bae
The Korean Journal of Pathology.2010; 44(5): 493. CrossRef

Case Reports

Imprint Cytology of Granular Cell Tumor: A Case Report.: Woo Jung Sung, Joon Hyuk Choi; Korean J Cytopathol. 2007;18(2):170-174.

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Abstract PDF: Granular cell tumor is a rare tumor of the soft tissue and this is characterized by proliferation of large cells with granular appearing eosinophilic cytoplasm. We report the imprint cytologic features of a case of granular cell tumor in the left calf of a 52-year-old woman. Microscopic examination showed moderate cellularity. The tumor cells were arranged both as single cells and in clusters. The cells were large polygonal-shaped and they had small round nuclei with finely granular chromatin and occasionally conspicuous nucleoli. The cytoplasm was abundant eosinophilic and granular. Naked nuclei and spindle-shaped tumor cells were occasionally noted. No mitosis and necrosis were present. The background showed cytoplasmic granular materials. The tumor cells showed positivity for S-100 protein. Ultrastructurally, abundant lysosomes were present in the cytoplasm of the tumor cells.

Primary Pulmonary Glomus Tumor, Diagnosed by Preoperative Needle Biopsy: Report of One Case and Literature Review.: Mi Jin Kim, Woo Jung Sung; Korean J Pathol. 2008;42(1):37-40.

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Abstract PDF: Glomus tumors commonly occur in dermal and subcutaneous tissue in the subungal region of a finger. Some glomus tumors occur extracutaneously, including lung. Only 15 cases of primary pulmonary glomus tumor have been described in literature. In this report, we describe a case of primary pulmonary glomus tumor, which is the first case diagnosed before surgical resection. A 51-year-old man underwent a needle biopsy of a well defined coin-like mass in left lower lobe of the lung on chest radiography. Microscopic examination revealed a tumor composed of perivascularly arranged round to ovoid epithelioid cells with abundant eosinophilic cytoplasm. Tumor cells are immunoreactive for smooth muscle actin and vimentin, but negative for desmin, cytokeratin (AE1/AE3), chromogranin, or synaptophysin. A diagnosis of glomus tumor was then made. The lung mass was resected by wedge resection after being diagnosed by preoperative lung needle biopsy. Although primary pulmonary glomus tumor is rare, most cases follows a benign course. For proper treatment of the patient, glomus tumor should be considered as a differential diagnosis of solitary lung mass.

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