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  • Title: Mandibular osteosclerotic lesion of a parotid salivary duct carcinoma: demonstration of the neural tropism of these tumors.
    Author: Lazard DS, Baglin AC, Baujat B, Cox A, Condette-Auliac S, Chabolle F.
    Journal: Eur Ann Otorhinolaryngol Head Neck Dis; 2010 Nov; 127(5):189-92. PubMed ID: 20934935.
    Abstract:
    INTRODUCTION: Salivary duct carcinoma (SDC) is an uncommon entity of salivary gland cancers with a poor prognosis due to local aggressiveness or distant recurrences involving lymph nodes, lung, and long bones, in which secondary lesions are usually osteolytic. The authors report the first case of mandibular SDC, atypical due to its osteosclerotic presentation and its site, attributed to aggressive neural spread of the tumor along the trigeminal nerve. CASE STUDY: This asymptomatic osteosclerotic bone involvement was diagnosed based on pathological enhancement of the trigeminal nerve demonstrated on MRI and was accompanied by facial nerve involvement up to its third intracranial portion. Radical surgery ensured disease control with continued good quality of life at the 4-year follow-up visit. CONCLUSION: Nerve enhancement on MRI and determination of specific tumor markers (HER-2/neu and p53) should be taken into account to evaluate the prognosis of SDC and to propose appropriate surgical treatment.
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