Ossifying pleomorphic adenoma of the parotid gland: A case report and review

Kato, Hiroki; Kanematsu, Masayuki; Ando, Kazuhiro; Mizuta, Keisuke; Ito, Yuko; Hirose, Yoshinobu; Hoshi, Hideki

doi:10.1111/j.1440-1673.2007.01795.x

Cited by 11 publications

(7 citation statements)

References 8 publications

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“…In some cases an important chondroid matrix was present with the formation of enchondral ossification at the borders. 9 Others described the formation of osteoid indicating a possible direct differentiation from myoepithelial cells 10,11 Osseous metaplasia can also be found in carcinoma ex pleomorphic adenoma 12,13 and mixed tumour of the skin. 14,15 …”

Section: Discussionmentioning

confidence: 99%

Schwannoma-like pleomorphic adenoma of the parotid

Tille

Reychler²,

Hamoir³

et al. 2011

Rare Tumors

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Pleomorphic adenoma is the most common benign salivary gland tumour. It can occur in any salivary gland, but is most frequently found in the parotid gland. Chondroid metaplasia is a frequent finding in pleomorphic adenoma. Other forms of metaplasia have been described, but are encountered less frequently. We report a rare case of unusual pleomorphic adenoma of the parotid gland with schwannoma-like feature.

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Section: Discussionmentioning

confidence: 99%

Schwannoma-like pleomorphic adenoma of the parotid

Tille

Reychler²,

Hamoir³

et al. 2011

Rare Tumors

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“…There are some limitations to this investigation including the absence of a detailed analysis of the components of the calcific components, the difficulty of determining the exact mechanism of formation of all calcific foci, and the correlation between the multiple calcifications and the meningioma. Differential diagnosis of this present case could include pleomorphic adenoma, soft tissue chondroma or osteoma, extracranial meningioma, osteocartilaginous tumors arising from bone exostoses, [37] vascular ossification of atherosclerotic lesions, or hereditary conditions such as Albright's syndrome and fibrodysplasia ossificans progressive. [38] In the present case, the patient was referred to an ENT surgeon and a Neurosurgeon to exclude any possible malignancies.…”

Section: Discussionmentioning

confidence: 98%

A Rare Case of Multiple Calcifications and Vascular Malformation Within the Parenchyma of the Parotid Salivary Gland Coinciding With an Intracranial Meningioma

Bakr

Poon

Parkinson

et al. 2017

AIMDR

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Multiple calcifications in salivary glands have been previously reported in inflammatory and autoimmune disorders. However, the etiology and mechanism of formation of such calcifications are not yet fully understood. A very rare case of a 50 year female with multiple calcifications and vascular malformation within the left parotid salivary gland is presented. Further investigations of the lesion uncovered an intracranial meningioma in the contralateral posterior cranial fossa. Additional investigations and multidisciplinary specialist management was deemed necessary to shed some light on the degree of association between the calcific foci within the parotid gland and the intracranial meningioma.

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“…Furthermore, whether this ossification is endochondral, originating from a cartilaginous precursor, or due to direct deposition by metaplastic myoepithelial cells within the tumor remains unclear. Multiple reports support both theories [ 7 – 9 ].…”

Section: Discussionmentioning

confidence: 98%

Ossifying Parotid Carcinoma ex Pleomorphic Adenoma

Mohan

Puram

Yarlagadda

et al. 2015

Case Reports in Otolaryngology

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We present a unique case of an extensively ossified carcinoma ex pleomorphic adenoma (CXPA) in a 76-year-old man with a five-year history of a slowly growing parotid mass. Fine-needle aspiration of the mass was nondiagnostic. A computed tomography (CT) scan of the lesion revealed a well-circumscribed mass with peripheral calcification. Initial pathological analysis suggested a benign parotid mass, but rigorous decalcification revealed noninvasive CXPA. The patient underwent complete resection of the mass and remained disease-free nine months later. Extensive ossification of a seemingly benign parotid mass may mask areas of carcinoma that may progress if left untreated.

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Ossifying pleomorphic adenoma of the parotid gland: A case report and review

Cited by 11 publications

References 8 publications

Schwannoma-like pleomorphic adenoma of the parotid

Schwannoma-like pleomorphic adenoma of the parotid

A Rare Case of Multiple Calcifications and Vascular Malformation Within the Parenchyma of the Parotid Salivary Gland Coinciding With an Intracranial Meningioma

Ossifying Parotid Carcinoma ex Pleomorphic Adenoma

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