scholarly journals Pleomorphic Adenoma of the Sublingual Salivary Gland: An Unusual Diagnostic Challenge

2012 ◽  
Vol 21 (3) ◽  
pp. 282-284 ◽  
Author(s):  
Stylianos Dalampiras ◽  
Dimitrios Andreadis ◽  
Apostolos Epivatianos ◽  
Leonidas Sakas ◽  
Peter Stanko
Keyword(s):  
Salivary Gland ◽  
Pleomorphic Adenoma ◽  
Diagnostic Challenge

PP - AN UNUSUAL CASE OF POLYMORPHOUS LOW-GRADE ADENOCARCINOMA EX-PLEOMORPHIC ADENOMA INVOLVING A MINOR SALIVARY GLAND: A DIAGNOSTIC CHALLENGE

2017 ◽  
Vol 123 (2) ◽  
pp. e66
Author(s):  
MONICA GHISLAINE OLIVEIRA ALVES ◽  
YONARA MARIA FREIRE SOARES MARQUES ◽  
ADRIANA ROCHA DE CARIS ◽  
CELSO MULLER BANDEIRA ◽  
SUZANA CANTANHEDE ORSINI MACHADO DE SOUZA ◽  
...  
Keyword(s):  
Salivary Gland ◽  
Pleomorphic Adenoma ◽  
Unusual Case ◽  
Minor Salivary Gland ◽  
Low Grade ◽  
Diagnostic Challenge ◽  
A Minor

scholarly journals An Unusual Case of Carcinoma Ex-pleomorphic Adenoma of the Parotid Gland: A Comprehensive Clinicopathological Review

2015 ◽  
Vol 1 (2) ◽  
pp. 44-46
Author(s):  
K Harish ◽  
PS Sharmila ◽  
K Shashikala ◽  
Padmini Jeychandran
Keyword(s):  
Salivary Gland ◽  
Parotid Gland ◽  
Pleomorphic Adenoma ◽  
Unusual Case ◽  
Minor Salivary Gland ◽  
Sudden Onset ◽  
Carcinoma Ex Pleomorphic Adenoma ◽  
Malignant Neoplasms ◽  
Diagnostic Challenge ◽  
Histologic Subtype

ABSTRACT Carcinoma ex-pleomorphic adenoma (CaxPA) is a carcinoma arising from a primary or recurrent benign pleomorphic adenoma (PA). It presents approximately 11.6% of all malignant neoplasms of salivary gland and mostly originates from major salivary glands. It is a common histologic subtype of primary parotid malignancy. Location in the minor salivary gland is uncommon and occurs in less than 7% of all cases. The majority of CaxPA develops from epithelial component of PA. Salivary gland tumors are known to have a benign clinical behavior with unrecognized metastatic potential. It often poses a diagnostic challenge to clinicians and pathologists. The entity is difficult to diagnose preoperatively. Pathologic assessment is the gold standard for making the diagnosis. We present a case of a 55-year-old female patient who had a right preauricular mass of 10 years duration, with sudden onset of pain of duration of 1 month. How to cite this article Sharmila PS, Shashikala K, Harish K, Jeychandran P. An Unusual Case of Carcinoma Expleomorphic Adenoma of the Parotid Gland: A Comprehensive Clinicopathological Review. J Med Sci 2015;1(2):44-46.

scholarly journals Co-expression of Myoepithelial and Melanocytic Features in Carcinoma Ex Pleomorphic Adenoma

2021 ◽  
Author(s):  
Costantino Ricci ◽  
Federico Chiarucci ◽  
Francesca Ambrosi ◽  
Tiziana Balbi ◽  
Barbara Corti ◽  
...  
Keyword(s):  
Differential Diagnosis ◽  
Salivary Gland ◽  
Parotid Gland ◽  
Pleomorphic Adenoma ◽  
Salivary Gland Tumors ◽  
Melanin Pigment ◽  
Carcinoma Ex Pleomorphic Adenoma ◽  
Pertinent Literature

AbstractThe presence of melanin pigment and melanocytic markers expression have been rarely reported in salivary gland tumors. Herein, two cases of carcinoma arising in pleomorphic adenoma of the parotid gland and showing diffuse expression of myoepithelial and melanocytic markers are described. The clinical-pathological clues useful in the differential diagnosis with melanoma are discussed. In addition, a review of the pertinent literature is also proposed, discussing the pathologic mechanisms potentially involved in this phenomenon.

scholarly journals Giant Cell Carcinosarcoma of the Parotid Gland With a PLAG 1 Translocation in Association With a Pleomorphic Adenoma With HMGA2 Translocation

2020 ◽  
Vol 154 (6) ◽  
pp. 811-815
Author(s):  
Levon Katsakhyan ◽  
Virginia A LiVolsi ◽  
Ara A Chalian ◽  
Paul J Zhang
Keyword(s):  
Salivary Gland ◽  
In Situ Hybridization ◽  
Parotid Gland ◽  
Giant Cell ◽  
Pleomorphic Adenoma ◽  
De Novo ◽  
Sarcomatous Component ◽  
Gland Tumor ◽  
Parotid Gland Tumor

Abstract Objectives Carcinosarcomas of the salivary gland are rare neoplasms and have been described arising de novo or in association with pleomorphic adenoma (PA). PLAG1 and HMGA2 translocations are known to occur in PAs and carcinomas ex PA but are mutually exclusive. Methods We report a case of a carcinosarcoma in the parotid gland of a 77-year-old man with unusual anaplastic sarcomatoid giant cell morphology. Results Microscopically, a small separate PA was found adjacent to the carcinosarcoma. By conventional notion, the PA and carcinosarcoma would be considered related, as carcinosarcomas are well known to arise from PAs (carcinosarcoma ex PA). However, fluorescence in situ hybridization (FISH) assay demonstrated PLAG1 translocation in the carcinosarcoma and HMGA2 translocation in the separate PA. Conclusions These findings support that the carcinosarcoma likely originated from another PA with a PLAG1 translocation or de novo but not from the coexisting PA harboring a different translocation. To our knowledge, the case is the first to demonstrate PLAG1 translocation by FISH in a sarcomatous component of any parotid gland tumor, which may help better classify these tumors. In addition, multiple PAs are commonly found in the salivary gland, and to our knowledge, our case is the first to demonstrate that the same parotid gland can host PAs and PA-related tumors with different translocations.

Kallikrein-related peptidase 10 expression in salivary gland tissues and tumours

2012 ◽  
Vol 27 (4) ◽  
pp. 381-388 ◽  
Author(s):  
Mark R. Darling ◽  
Nelly N. Hashem ◽  
Irene Zhang ◽  
Mohamed Mohamed ◽  
Kevin Fung ◽  
...  
Keyword(s):  
Salivary Gland ◽  
Adenoid Cystic Carcinoma ◽  
Salivary Glands ◽  
Pleomorphic Adenoma ◽  
Mucoepidermoid Carcinoma ◽  
Salivary Gland Tumour ◽  
Immunoperoxidase Staining ◽  
Aberrant Expression ◽  
Adenoid Cystic ◽  
Gland Tumour

Objectives Kallikrein-related peptidase 10 (KLK10) has been implicated in the development of several types of cancer. The purpose of this study was to analyze the expression of KLK10 in 3 types of salivary gland tumour and normal salivary glands. Materials and methods: A standard immunoperoxidase staining technique was used to assess the Immunoexpression profile of KLK10 in normal salivary glands and 3 types of salivary gland tumour: pleomorphic adenoma, adenoid cystic carcinoma and mucoepidermoid carcinoma. Results Pleomorphic adenomas showed significantly lower KLK10 levels than control tissues. Neither of the malignant tumours (adenoid cystic carcinoma and mucoepidermoid carcinoma) showed a significant alteration in the immunoreactive scores of KLK10 in comparison with the normal salivary gland tissues. KLK10 immunoreactive scores were comparable in adenoid cystic carcinoma and mucoepidermoid carcinoma. Pleomorphic adenoma had significantly lower levels of KLK10 than mucoepidermoid carcinoma. Conclusions The finding of lower KLK10 levels in pleomorphic adenoma suggests aberrant expression in a tumour that develops primarily from myoepithelial cells. A kallikrein cascade may play a role in the development and/or outcome of some salivary gland tumours.

Spindle cell lipoma mimicking pleomorphic adenoma: A diagnostic challenge on cytology

2018 ◽  
Vol 47 (4) ◽  
pp. 341-344
Author(s):  
Manveen Kaur ◽  
Debajyoti Chatterjee ◽  
Reetu Kundu ◽  
Rajpal S. Punia ◽  
Vaibhav Saini
Keyword(s):  
Pleomorphic Adenoma ◽  
Spindle Cell ◽  
Spindle Cell Lipoma ◽  
Diagnostic Challenge

scholarly journals Pleomorphic adenoma of the upper lip: a case report and review of literature

2016 ◽  
Vol 4 (1) ◽  
pp. 8
Author(s):  
Rashmi Metgud ◽  
Bhardwaj Tina Neelesh ◽  
Saurabh Goel ◽  
Smitha Nail ◽  
Shrikant Patel ◽  
...  
Keyword(s):  
Salivary Gland ◽  
Pleomorphic Adenoma ◽  
Unusual Case ◽  
Needle Aspiration ◽  
Myoepithelial Cells ◽  
Upper Lip ◽  
Epithelial Tumor ◽  
Needle Aspiration Cytology ◽  
Benign Mixed Tumor ◽  
Morphological Patterns

<p>Pleomorphic Adenoma is a benign epithelial tumor arising from the salivary gland. It is a benign mixed tumor composed of epithelial and myoepithelial cells arranged with various morphological patterns, demarcated from surrounding tissues by fibrous capsule. In this article, we report an unusual case of 30 year, male with a single, nodular swelling evident in the upper lip which was discovered during a routine dental procedure. Fine Needle Aspiration Cytology (FNAC) was planned for the patient, where a of cytological diagnosis of Pleomorphic Adenoma was rendered, which was confirmed by biopsy. Hence, this highlights, FNAC makes up an important diagnosing tool as the first line of investigation to distinguish between benign and malignant salivary gland neoplasms.</p>

scholarly journals Ki-67 Index in Salivary Gland Neoplasms

2016 ◽  
Vol 6 (1) ◽  
pp. 1-7
Author(s):  
Suma Kaza ◽  
T Jaya Mastan Rao ◽  
Anupama Mikkilineni ◽  
G Venkata Ratnam ◽  
D Ranga Rao
Keyword(s):  
Salivary Gland ◽  
Pleomorphic Adenoma ◽  
Mucoepidermoid Carcinoma ◽  
Salivary Gland Neoplasms ◽  
Carcinoma Ex Pleomorphic Adenoma ◽  
Myoepithelial Carcinoma ◽  
Cell Adenoma ◽  
Ki 67 ◽  
Adenoid Cystic ◽  
Epithelial Myoepithelial Carcinoma

Abstract Assessment of proliferation is a means of predicting local recurrence and metastatic potential of malignancies. A mitotic count is not an ideal marker for proliferation in certain situations, such as salivary gland neoplasms. Ki-67 expression as a proliferation marker has been investigated in many human tumors. In the present study, Mitotic index (MI) and Ki-67 index were studied in pleomorphic adenoma, basal cell adenoma, mucoepidermoid carcinoma, adenoid cystic carcinoma epithelial myoepithelial carcinoma, carcinoma ex Pleomorphic adenoma and adenocarcinoma of salivary glands. The results were compared. The MI was similar in benign neoplasms, mucoepidermoid carcinoma and epithelial myoepithelial carcinoma, whereas it was high in carcinoma ex pleomorphic adenoma, adenocarcinoma and adenoid cystic carcinoma. The Ki-67 index was different in basal cell adenoma and pleomorphic adenoma. It was helpful in differentiating high grade and low grade mucoepidermoid carcinoma. It highlighted the malignant behavior of epithelial myoepithelial carcinoma. It was concluded that Ki-67 in benign neoplasms is 5% or less and in malignant ones more than 23% with a few exceptions. In mucoepidermoid carcinoma and epithelial myoepithelial carcinoma, Ki-67 index was found to be a better indicator for aggressiveness. These findings will be presented in this paper, with review of literature. How to cite this article Kaza S, Rao TJM, Mikkilineni A, Ratnam GV, Rao DR. Ki-67 Index in Salivary Gland Neoplasms. Int J Phonosurg Laryngol 2016;6(1):1-7.

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