Journal of Pathology and Translational Medicine

Sunhee Chang

7 Articles

A Case of Endocrine Mucin-Producing Sweat Gland Carcinoma Co-existing with Mucinous Carcinoma: A Case Report.: Sunhee Chang, Sang Hwa Shim, Mee Joo, Hanseong Kim, Yong Kyu Kim; Korean J Pathol. 2010;44(1):97-100.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.97

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An endocrine mucin-producing sweat gland carcinoma (EMPSGC) is a rare skin tumor that most commonly occurs on the eyelids of elderly women. This tumor is morphologically analogous to endocrine ductal carcinoma in situ and solid papillary carcinoma of the breast. We describe one case of a 51-year-old male with an EMPSGC co-existing with mucinous carcinoma of the eyelid. The tumor was composed of dilated ducts with a smooth border and was partially filled with a papillary proliferation. Tumor cells were uniform, small-to-medium in size, and oval-to-polygonal with light eosinophilic cytoplasm. Nuclei were bland with diffusely stippled chromatin and inconspicuous nucleoli. Tumor cells expressed chromogranin, synaptophysin, estrogen and progesterone receptors, cytokeratin 7, and epithelial membrane antigen.

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A Case of Endocrine Mucin-Producing Sweat Gland Carcinoma of the Eyelid
Ji Eon Kang, Sung Eun Kim, Suk-Woo Yang
Journal of the Korean Ophthalmological Society.2023; 64(2): 149. CrossRef
Endocrine mucin-producing sweat gland carcinoma: a systematic review and meta-analysis
Michael H. Froehlich, Keith R. Conti, Ivy I. Norris, Jordan J. Allensworth, Nicole A. Ufkes, Shaun A. Nguyen, Evelyn T. Bruner, Joel Cook, Terry A. Day
Journal of Dermatological Treatment.2022; 33(4): 2182. CrossRef
Next-generation sequencing analysis suggests varied multistep mutational pathogenesis for endocrine mucin-producing sweat gland carcinoma with comments on INSM1 and MUC2 suggesting a conjunctival origin
Joseph G. Mathew, Anita S. Bowman, Jad Saab, Klaus J. Busam, Kishwer Nehal, Melissa Pulitzer
Journal of the American Academy of Dermatology.2022; 86(5): 1072. CrossRef
Endocrine mucin‐producing sweat gland carcinoma and associated primary cutaneous mucinous carcinoma: Review of the literature
Rebecca Tian Mei Au, Manish M. Bundele
Journal of Cutaneous Pathology.2021; 48(9): 1156. CrossRef
An Update on Endocrine Mucin-producing Sweat Gland Carcinoma
Meghana Agni, Meisha L. Raven, Randy C. Bowen, Nora V. Laver, Patricia Chevez-Barrios, Tatyana Milman, Charles G. Eberhart, Steven Couch, Daniel D. Bennett, Daniel M. Albert, R. Nick Hogan, Paul O. Phelps, Hillary Stiefel, Norberto Mancera, Martin Hyrcza,
American Journal of Surgical Pathology.2020; 44(8): 1005. CrossRef
A Case of Endocrine Mucin-Producing Sweat Gland Carcinoma: Is it Still an Under-Recognized Entity?
Khaled A. Murshed, Mohamed Ben-Gashir
Case Reports in Dermatology.2020; 12(3): 255. CrossRef
Endocrine Mucin-Producing Sweat Gland Carcinoma, a Histological Challenge
Mary Anne Brett, Samih Salama, Gabriella Gohla, Salem Alowami
Case Reports in Pathology.2017; 2017: 1. CrossRef
Endocrine mucin‐producing sweat gland carcinoma occurring on extra‐facial site: a case report
Jia‐Huei Tsai, Tzu‐Lin Hsiao, Yi‐Ying Chen, Cheng‐Hsiang Hsiao, Jau‐Yu Liau
Journal of Cutaneous Pathology.2014; 41(6): 544. CrossRef
Endocrine Mucin-Producing Sweat Gland Carcinoma
Catharine A. Dhaliwal, Antonia Torgersen, Jonathan J. Ross, James W. Ironside, Asok Biswas
The American Journal of Dermatopathology.2013; 35(1): 117. CrossRef

A Diagnostically Challenging Case of an Infarcted Adenomatoid Tumor of the Epididymis.: Sunhee Chang, Sang Hwa Shim, Ji Eun Kwak, Mee Joo, Hanseong Kim, Je G Chi, Keon cheol Lee; Korean J Pathol. 2008;42(4):229-231.

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Abstract PDF: We describe a case of an infarcted adenomatoid tumor of the epididymis that was challenging to diagnose. A 20-year-old man presented with acute left scrotal pain. He was found to have a 2x1.5x1 cm tumor that was relatively well circumscribed on gross examination. There was a central necrotic area that exhibited gaping spaces and ghost outlines of epithelial cells. The periphery of the necrotic lesion showed focally viable adenomatoid tumor. The majority of the tissue adjacent to the necrosis consisted of granulation tissue, fibroblastic and myofibroblastic proliferation, and neutrophils. The fibroblasts and myofibroblasts showed plump nuclei, often with small nucleoli. No mitotic activity was present. The differential diagnosis for an infarcted adenomatoid tumor includes malignant mesothelioma, inflammatory myofibroblastic tumor, and inflammatory conditions. The key to diagnosing an infarcted adenomatoid tumor is to consider it in the differential diagnosis of any spindle cell tumor with necrosis occurring in the genital tract.

Fibrovascular Polyp of the Hypopharynx: A Case Report.: Sunhee Chang, Sang Hwa Shim, Ji Eun Kwak, Mee Joo, Hanseong Kim, Bum Jo Jung, Joong Wook Shin, See Young Park, Kyung Ja Cho, Je G Chi; Korean J Pathol. 2008;42(4):226-228.

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Abstract PDF: We report here on a case of fibrovascular polyp arising in the hypopharynx of a 62-year-old man. Laryngomicroscopic surgery with laser ablation was performed to excise the mass. Histopathologically, the surface of the polyp was covered with mature squamous epithelium. The polyp showed a characteristic lobular proliferation of mature adipose tissue that was separated by myxoid or collagenous connective tissue. Some scattered skeletal muscle bundles were seen in the central portions of the polyp and these bundles were surrounded by a concentric proliferation of the spindle cells; this was reminiscent of Pacinian corpuscles. Regarding their location and the intermingled pattern of proliferating tissues, it is more plausible that the skeletal muscle is a hamartomatous component rather than entrapped, preexisting tissue.

A Case Report of Cutaneous Coccidioidomycosis.: Sunhee Chang, Sang Hwa Shim, Ji Eun Kwak, Mee Joo, Hanseong Kim, Hai Jin Park, Yee Gyung Kwak, Je G Chi; Korean J Pathol. 2008;42(4):223-225.

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Abstract PDF: Coccidioidomycosis, which results from inhaling the spores of Coccidioides species, is endemic in the southwestern United States. The primary infection site is the lung, and dissemination of the disease can occur. We report a case of cutaneous coccidioidomycosis in a 79-year-old Korean woman who presented with purpura on both lower extremities, but no pulmonary symptoms and no history of visiting an endemic area. Microscopically, skin biopsy showed multiple aggregates of granulomas in the dermis. Numerous multinucleated giant cells were associated with the granulomas. Mature and immature fungal spherules, which were 20 to 30 micrometer in diameter, were present inside and outside the multinucleated giant cells.

Cytologic Findings of Fine Needle Aspiration Biopsy of 23 Schwannomas.: Sunhee Chang, Mee Joo, Hanseong Kim; Korean J Cytopathol. 2008;19(1):41-46.; DOI: https://doi.org/10.3338/kjc.2008.19.1.41

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Abstract PDF

In an attempt to better define the cytologic characteristics of schwannomas, we have reviewed aspirates and corresponding histologic sections from 23 schwannomas. Of this number, the original cytologic diagnoses were: schwannoma in 14 cases (61%), benign soft tissue tumor in 2 cases (9%), and insufficient specimen in 7 cases (30%). The cytologic findings common to all cases of schwannoma included fragments of tightly cohesive fascicles with variable cellularity and corresponding Antoni type A area. The Antoni type B area, consisting of scattered spindle cells and some histiocytes and lymphocytes against a myxoid background, was seen in 14 cases. Fibrillary stroma was seen in 12 cases. The tumor cells had spindle- or oval-shaped nuclei, with pointed ends and indistinct cell borders. Nuclear palisading was seen in 10 cases, and distinctive Verocay bodies were seen in 5 cases. In ancient schwannomas, there were no Verocay bodies. Most schwannomas have distinct cytomorphologic features that allow correct diagnosis. The major problem with fine needle aspiration cytology of these tumors is the high frequency of poor cellularity, particularly in lesions with cystic degeneration. Of 7 cases with insufficient specimen, 4 showed marked cystic changes and 1 showed marked hyaline changes on histologic sections. In conclusion, we believe that if cytopathologist reminds the situation such as cystic degeneration or hyaline degeneration, the correct diagnosis of the schwannoma will be easily made.

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Multiple Cervical Schwannomas Mimicking Metastatic Lymph Nodes from Papillary Thyroid Cancer
Ji-Sun Kim, Chang-Young Yoo, Rae-Hyung Kim, Jung-Hae Cho
Journal of Korean Thyroid Association.2014; 7(1): 102. CrossRef

Recurrent Viral Hepatitis Following Liver Transplantation: Report of 4 Cases.: Sunhee Chang, Kwangseon Min, Jaegul Jung, Ghil Suk Yoon, Seung Kyu Lee, Yung Sang Lee, Eunsil Yu; Korean J Pathol. 2002;36(2):122-127.

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Abstract PDF: The recurrence of viral hepatitis B or C after liver transplantation is almost universal but their clinical courses and outcomes are vary widely. We investigated four cases of rapidly progressive and fatal recurrent viral hepatitis following liver transplantation, which were rapidly progressive and fatal. Case 1 was a 58-year-old male, who developed recurrent viral hepatitisC. Case 2, 3, and 4 were a 59-year-old female, a 42-year-old male, and a 50-year-old male, respectively, who developed recurrent viral hepatitis B. In cases 1 and 2, the histopathological features of the first liver biopsies were prominent ballooning degeneration of the hepatocytes but later biopsies revealed significant lobular activity. Case 3 began with a marked fatty change and mild lobular and porto-periportal activity and progressed to severe lobular activity and septal fibrosis. In case 4, the first liver biopsy revealed minimal lobular activity but the second biopsy revealed severe lobular activity.

Posttransplant Lymphoproliferative Disorder: A Report of 4 Cases.: Sunhee Chang, Jooryung Hugh, Kyung Mo Kim, Duck Jong Han, Seung Kyu Lee, Eunsil Yu; Korean J Pathol. 2002;36(1):45-50.

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Abstract PDF: Posttransplant lymphoproliferative disorder (PTLD) is a proliferation of B-cells associated with Epstein-Barr virus (EBV) infection as a complication of immunosuppression, especially by FK506. We investigated four cases of PTLD which developed either in allografts or in other organs.
Case
1 was a 38-year-old woman, who developed monomorphic PTLD in a kidney 7 years and 7 months after renal transplantation. Case 2 was a 37-year-old man, who developed monomorphic PTLD in the right submandibular lymph node 4 months after liver transplantation. Case 3 was a 60-year-old man, who developed monomorphic PTLD in the liver 8 months after liver transplantation. Case 4 was a 2-year-old female child, who developed polymorphic PTLD in the colon, liver, and mesenteric lymph node 10 months after liver transplantation. FK506 was administered to case 4. EBV was identified in the tissues of all cases by immunohistochemistry and/or in situ hybridization.

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