ArticleIndian journal of surgical oncology2021
Evaluation of Rare Types of Breast Cancer among Indian Patients - a Retrospective Study from a Regional Cancer Center.
Article in Indian journal of surgical oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionBreast cancer (BC) is the most common cancer among Indian women and invasive duct cell carcinoma (IDCC) the most common histology (80-90%) followed by noninvasive duct cell carcinoma (non-IDCC) subtypes (about 10%). Most of the non-IDCC are rare (<1-2%), and literature on this topic is sparse. Age is an important prognostic factor and varies with ethnicity. The aim of our study is to evaluate the incidence and age at presentation of different types of BC. MATERIAL AND
methodsThis is a single institute retrospective observational study evaluating BC over the last 7 years at our institute. We evaluated the demographic and pathological features.
resultsThere were a total of 2725 patients, of these 89.7% had IDCC and 10.2% had non-IDCC. There were 13 subtypes of non-IDCC, the most common being sarcoma/phyllodes (2.4%) and lobular (2.3%). The other subtypes were very rare (<1.5% each). The non-IDCC male BC was very rare (0.07%). The median age at presentation was similar for IDCC and non-IDCC types (50 years). The
conclusionThe incidence of IDCC, non-IDCC, and rare subtypes of non-IDCC are comparable to literature except lobular (lower) and phyllodes/sarcoma (higher). Indian patients presented a decade earlier for both IDCC and non-IDCC types. Tubular and papillary presented at an age comparable to IDCC, in contrast to the West. Given these differences, the prognosis of non-IDCC needs to be evaluated in future studies on Indian BC patients.
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