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https://www.readbyqxmd.com/read/29880294/-a-rare-parotid-tumor
#1
Kwame Doh, Ibou Thiam, Romulus Carmen Adechina Takin, Khaled Sonhaye, Gisèle Woto-Gaye
INTRODUCTION: Sebaceous lymphadenoma of the parotid (SLP) is a rare, benign tumor with similar epidemiological and macroscopic characteristics with other sebaceous differentiated tumors of the parotid (SDTP). The authors report a case of SLP in an 80-year-old woman. They then recall the distinctive histological and immunohistochemical criteria of SDTP. OBSERVATION: Mrs P. D. was received during a surgical consultation for the management of a painless right parotid swelling that has evolved for 10years, increasing slightly in volume...
June 4, 2018: Annales de Pathologie
https://www.readbyqxmd.com/read/29850339/sebaceous-lymphadenoma-of-parotid-imaging-cytological-and-histological-findings-in-detail
#2
Golsa Shekarkhar, Hossein Soleimanpour, Seyed Hamed Jafari, Fatemeh Zamani
Sebaceous lymphadenomas are rare and account for less than 1% of primary salivary gland tumors. These rare tumors are mostly found in men older than 50 years. The clinicopathological features of these tumors are poorly understood and no definite causative factor has been reported for them till now. They are not often diagnosed prior to surgery, which could be due to their rarity and lack of enough preop radiological and cytological findings. Few case reports have been published in literature about their pathogenesis and accompanying malignant lesions...
2018: Case Reports in Pathology
https://www.readbyqxmd.com/read/29460186/non-sebaceous-lymphadenoma-of-the-lacrimal-gland-first-report-of-a-new-localization
#3
Mauro Pau, Luka Brcic, Raja R Seethala, Angelika K Klein-Theyer, Marton Magyar, Knut E Reinbacher, Michael Schweiger, Jürgen Wallner, Norbert Jakse
No abstract text is available yet for this article.
July 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29015427/lymphadenoma-of-the-salivary-glands
#4
B P Tribedi, A R Roy
No abstract text is available yet for this article.
August 1948: Indian Medical Gazette
https://www.readbyqxmd.com/read/29005377/case-of-lymphadenoma
#5
R H Castor
No abstract text is available yet for this article.
July 1912: Indian Medical Gazette
https://www.readbyqxmd.com/read/29003797/notes-on-a-case-of-general-lymphadenoma-hodgkin-s-disease
#6
S N Datta
No abstract text is available yet for this article.
October 1904: Indian Medical Gazette
https://www.readbyqxmd.com/read/29002080/notes-on-a-case-of-lymphadenoma-hodgkins-disease-in-a-native
#7
W Young
No abstract text is available yet for this article.
July 1895: Indian Medical Gazette
https://www.readbyqxmd.com/read/28796320/congenital-cutaneous-lymphadenoma
#8
Angel Fernandez-Flores, Ina Nicklaus-Wollenteit, Dharshini Sathishkumar, Vicky Diba, Bruce Richard, Richard Carr, Celia Moss, Anita Nagy, Malobi Ogboli, Isabel Colmenero
Cutaneous lymphadenoma is an uncommon benign neoplasm often considered to be an adamantinoid variant of trichoblastoma. Lesions present in both sexes, between 14 and 87 years of age, and are mainly located on the head and neck. Cases in children are rare and there is only 1 previous case of a congenital lymphadenoma. An 8-year-old Asian girl presented with a congenital lesion on her forehead comprising 4 pink papules, the largest 5 mm in diameter. Microscopy revealed a well-circumscribed tumor within the dermis and subcutis comprising well-demarcated epithelial lobules of basaloid and clear cells with subtle peripheral palisading, growing in a collagenous stroma but lacking retraction artefact...
November 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28755513/cytological-features-of-the-warthin-like-variant-of-salivary-mucoepidermoid-carcinoma
#9
Jen-Fan Hang, Chung H Shum, Syed Z Ali, Justin A Bishop
Warthin-like mucoepidermoid carcinoma is a recently proposed variant of musoepidermoid carcinoma. Histologically, it is characterized by its close resemblance to Warthin tumor, including dense lymphocytic infiltration, flattened intermediate epithelium resembling squamous metaplasia, and cystic change. Given its histologic similarity to Warthin tumor, confirmatory testing for MAML2 rearrangement is often required for this diagnosis. Here we present the first cytologic reports of two 53-year-old female patients with parotid masses...
December 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28271133/seltene-parotistumoren-talgdr%C3%A3-senlymphadenom-und-extrakranielle-glioblastommetastase
#10
U Kühn, H H Köhler, P Jecker
Tumors of the parotid gland can be benign or malignant lesions. The pathophysiology of rare tumors of the parotid gland is often not sufficiently explored. In this paper two rare histological entities are described.In one patient a benign sebaceous lymphadenoma was histologically diagnosed. This type of tumor accounts for only 0.1% of all adenomas. The international literature is not conclusive about whether the tumor originates in the parotid gland itself or in the parotid lymph nodes.The second patient presented with a metastasis from a glioblastoma in the parotid gland...
May 2003: HNO
https://www.readbyqxmd.com/read/28226379/cutaneous-lymphadenoma-a-trichoblastoma-with-regressive-inflammatory-changes
#11
Sarah Keesecker, Jad Saab, Cynthia M Magro, Vivek Dokania, Anthony P Sclafani
The authors address the entity of cutaneous lymphadenoma. Although considered benign, cutaneous lymphadenoma can be easily misdiagnosed as basal cell carcinoma because of its close clinical and histological resemblance. This entity is rare and controversial both in terms of its histogenesis and the various diagnostic terms assigned to it throughout the literature. While rare, cutaneous lymphadenoma should be considered in the differential of any facial nodule or papule in addition to the more common basal cell carcinoma, nevi, cysts, and appendiceal tumors...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/27979335/non-lymphoid-lesions-that-may-mimic-cutaneous-hematopoietic-neoplasms-histologically
#12
REVIEW
Mark R Wick, Daniel J Santa Cruz, Alejandro A Gru
This review considers neoplastic lesions that originate in the skin, and which have the potential to imitate hematopoietic proliferations at a histological level. They include lymphoepithelioma-like carcinoma, Merkel cell carcinoma, benign lymphadenoma, pseudolymphomatous angiosarcoma, lymphadenoid dermatofibroma, lymphomatoid atypical fibroxanthoma, histiocytoid (epithelioid) hemangioma, and inflamed melanocytic lesions. The clinical and pathological features of those tumors are considered.
January 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/27941558/increased-immunoglobulin-g4-positive-plasma-cells-in-lymphadenoma-of-the-salivary-gland-an-immunohistochemical-comparison-among-lymphoepithelial-lesions
#13
Jiyoon Kim, Joon Seon Song, Jong-Lyel Roh, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim, Kyung-Ja Cho
BACKGROUND: Lymphadenoma (LA) of the salivary gland, nonsebaceous type, is an uncommon benign lymphoepithelial neoplasm. The histogenesis of the lymphoid component of LA is under debate as in Warthin's tumor. A recent study has described immunoglobulin (Ig) class switching to IgG4 in a subset of Warthin's tumors. The aim of this study is to evaluate IgG4 status of LA and presume the role of IgG4 status in pathogenesis of LA. MATERIALS AND METHODS: The distribution of IgG-positive and IgG4-positive cells was compared by immunohistochemistry among 15 lymphoepithelial lesions of the salivary gland (8 LAs, 3 lymphoepithelial carcinomas, and 4 lymphoepithelial cysts)...
July 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27721287/an-atypical-nonsebaceous-lymphadenoma-with-diffuse-lymphoepithelial-differentiation
#14
Min-Kyung Yeo, Da Mi Kim, Jin Man Kim
Nonsebaceous lymphadenoma is an uncommon salivary gland tumor. It consists of lymphoid and epithelial components that lack sebaceous differentiation. Herein, we present a 44-year-old woman with left a submandibular gland tumor. The tumor is well-circumscribed and solid without ductal or cystic formation. The epithelial cells intermingle with lymphoplasma cells. The epithelial cells show moderate cytologic atypia and a few mitoses with no viral infection. Histologically, the tumor had features of nonsebaceous lymphadenoma with unusual findings of nuclear atypia and marked lymphoepithelial differentiation...
October 2016: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/27682856/multiple-clear-cell-acanthomas-and-a-sebaceous-lymphadenoma-presenting-in-a-patient-with-cowden-syndrome%C3%A2-%C3%A2-a-case-report
#15
Silvia Potenziani, Danielle Applebaum, Bhuvaneswari Krishnan, Carolina Gutiérrez, A Hafeez Diwan
Cowden syndrome (CS) is an uncommon autosomal dominant multiorgan/system genodermatosis. It is characterized by the development of multiple hamartomas of endodermal, mesodermal and ectodermal origin, an increased lifetime risk of breast, thyroid, endometrial and other cancers and an identifiable germline mutation. Mucocutaneous hamartomas are the most common lesions seen and mainly include facial trichilemmomas, oral mucosal papillomas and benign acral keratoses. Herein, we report a case of a 63-year-old Caucasian male with a long-established diagnosis of CS and history of thyroid cancer, colonic polyps, and innumerable trichilemmomas, seborrheic keratoses, squamous papillomas and non-melanoma skin cancers excised in the past...
January 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27374279/sebaceous-lymphadenoma-of-the-thymus-a-clinicopathologic-and-immunohistochemical-study-of-2-cases
#16
Annikka Weissferdt, Neda Kalhor, Cesar A Moran
Two cases of primary sebaceous lymphadenoma of the thymus are presented. The patients were a man and a woman 58 and 77 years old, respectively. The female patient had a history of breast carcinoma and on follow-up was identified to have an anterior mediastinal mass; the male patient did not have any history of malignancy, and the tumor was discovered during a chest radiographic evaluation when the patient presented with symptoms of fatigue, chest pain, and dyspnea. Histologically, both lesions were characterized by the presence of solid-cystic epithelial islands in a prominent lymphocytic background...
October 2016: Human Pathology
https://www.readbyqxmd.com/read/27264329/-sebaceous-lymphadenoma-of-parotid-gland-report-of-a-case
#17
Guoxia Li, Jiang Li
No abstract text is available yet for this article.
January 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/26968559/cytokeratin-17-is-highly-sensitive-in-discriminating-cutaneous-lymphadenoma-a-distinct-trichoblastoma-variant-from-basal-cell-carcinoma
#18
Amrita Goyal, Jason F Solus, May P Chan, Leona A Doyle, Andras Schaffer, Manisha Thakuria, Thomas D Horn, Lyn M Duncan, Rosalynn M Nazarian
BACKGROUND: Cutaneous lymphadenoma (CL) is rare neoplasm that clinically and histologically resembles basal cell carcinoma (BCC). CL, composed of dermal basaloid epithelial islands with prominent admixed lymphocytes, characteristically contains cytokeratin 20 (CK20)-positive Merkel cells (MCs). However, CK20 may be of limited use because of low MC density in small samples. CK17 is expressed diffusely throughout BCC. We investigated the discriminatory utility of CK17 and CK20 in CL and BCC...
May 2016: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/26885602/melanocytic-hyperplasia-in-the-epidermis-overlying-trichoblastomas-in-100-randomly-selected-cases
#19
Tahseen M M Al Omoush, Michael Michal, Anastasia M Konstantinova, Michal Michal, Heinz Kutzner, Dmitry V Kazakov
One hundred cases of trichoblastomas (large nodular, small nodular, cribriform, lymphadenoma, and columnar) were randomly selected and studied for the presence of melanocytic hyperplasia in the epidermis overlying the tumors, which was defined as foci of increased melanocytes in the basal layer of the epidermis (more than 1 per 4 basal keratinocytes). Focal melanocytic hyperplasia was detected in a total of 22 cases of trichoblastoma (22%), and this phenomenon was most frequently seen in columnar trichoblastoma (7 cases), followed by large nodular trichoblastoma (5 cases)...
April 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/25929348/intraparotid-classical-and-nodular-lymphocyte-predominant-hodgkin-lymphoma-pattern-analysis-with-emphasis-on-associated-lymphadenoma-like-proliferations
#20
COMPARATIVE STUDY
Abbas Agaimy, Vanessa Wild, Bruno Märkl, David L Wachter, Arndt Hartmann, Andreas Rosenwald, Stephan Ihrler
Most of the lymphoproliferative diseases involving the salivary glands represent indolent non-Hodgkin B-cell lymphoma (marginal zone lymphoma) related to chronic autoimmune sialadenitis (Sjögren disease). Other types of non-Hodgkin lymphomas involve the salivary glands less frequently. On rare occasions, classical Hodgkin lymphoma (CHL) and nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) present initially as a primary salivary gland mass. We analyzed a series of CHL (n=3) and NLPHL (n=6) presenting initially as parotid gland tumors concerning their pattern (parenchymal vs...
September 2015: American Journal of Surgical Pathology
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