Analysis of Clinical and CT Imaging Features of Metastatic Adenocarcinoma of the Jaw

doi:10.13701/j.cnki.kqyxyj.2022.02.016

Abstract

Abstract: Objective: To explore the features of metastatic adenocarcinoma of the jaw (MAJ) with oral and maxillofacial lesions as the first symptom. Methods: Fourteen cases of MAJ from 2006 to 2020 were collected. The clinical and CT features were analyzed retrospectively. Results: The primary sites were lung (n=6), liver (n=4), kidney (n=2), prostate (n=1), and cardia (n=1). CT manifestations were classified as 5/14 osteolytic type with permeative destruction margin, 4/14 mixed type mostly with moth-eaten destruction margin, 3/14 cystic type and 1/14 alveolar bone resorption type with geographic destruction margin, and 1/14 osteoblastic type with sclerotic destruction margin. Conclusion: MAJ usually occurs in the middle-aged and elderly men, especially in the posterior part of mandible. It is the first time to add the cystic type and alveolar bone resorption type on the basis of classical classification. MAJ is characterized by rapidly progressive osteolytic bone destruction with periosteal reaction and localized soft tissue mass without jaw expansion, which plays an important role in differential diagnosis.

Key words: metastasis, adenocarcinoma, jaws, CT characteristics, clinical features

SHAN Shan, YANG Zhenyu, WANG Tiemei, LIN Zitong, FENG Yinglian, Pakezhatia·SEYITI, HUANG Xiaofeng, ZHANG Lei, SUN Guowen. Analysis of Clinical and CT Imaging Features of Metastatic Adenocarcinoma of the Jaw[J]. Journal of Oral Science Research, 2022, 38(2): 176-180.

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