Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics · 2010
A histopathologic comparison between synchronous and single primary oral squamous cell carcinomas.
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Dissanayaka Waruna Lakmal, Jayasooriya Primali Rukmal, Kumarasiri Pallegoda Vithanage Ranjith, Tilakaratne Wanninayake Mudiyanselage
Аннотация
OBJECTIVE: This study compares synchronous oral squamous cell carcinomas (OSCCs) with single primary OSCCs to assess the histopathologic parameters with a known prognostic significance.
STUDY DESIGN: Twenty-eight cases of synchronous OSCCs and a control group of single primary OSCCs were compared for 15 histologic prognostic variables.
RESULTS: Results showed significantly less amount of abnormal mitoses (synchronous-1: P = .002; synchronous-2: P = .006) and tumor-induced stroma (synchronous-1: P = .011; synchronous-2: P = .001) in synchronous OSCCs than in single primary OSCCs. Depth of invasion was considerably lower in synchronous OSCCs than in single primary OSCCs (synchronous-1: P = .007; synchronous-2: P = .002). Lymph node metastasis (synchronous-1: P = .051; synchronous-2: P = .051) was found to be rare in synchronous OSCCs compared with single primary OSCCs.
CONCLUSION: Synchronous OSCCs show less aggressive histopathologic features than single primary OSCCs.
STUDY DESIGN: Twenty-eight cases of synchronous OSCCs and a control group of single primary OSCCs were compared for 15 histologic prognostic variables.
RESULTS: Results showed significantly less amount of abnormal mitoses (synchronous-1: P = .002; synchronous-2: P = .006) and tumor-induced stroma (synchronous-1: P = .011; synchronous-2: P = .001) in synchronous OSCCs than in single primary OSCCs. Depth of invasion was considerably lower in synchronous OSCCs than in single primary OSCCs (synchronous-1: P = .007; synchronous-2: P = .002). Lymph node metastasis (synchronous-1: P = .051; synchronous-2: P = .051) was found to be rare in synchronous OSCCs compared with single primary OSCCs.
CONCLUSION: Synchronous OSCCs show less aggressive histopathologic features than single primary OSCCs.