Clinical characteristics and prognosis of primary small cell carcinoma of the breast: a propensity score-matched, population-based study.

ABSTRACT:

Objective

The purpose of this study was to describe the clinicopathological characteristics and prognosis of primary small cell carcinoma of the breast (PSCCB) and compare PSCCB with breast invasive ductal carcinoma (IDC).

Design

A retrospective cohort study.

Setting

Data of patients with PSCCB and breast IDC were identified from the Surveillance, Epidemiology, and End Results (SEER) database between 2004 and 2016.

Participants

Eighty-three patients with PSCCB and 410 699 patients with breast IDC were enrolled in the present cohort study.

Materials and methods

Patients with PSCCB and breast IDC were identified from the SEER database between 2004 and 2016. The clinicopathological characteristics and survival of patients with PSCCB and IDC were compared. P

SUBMITTER: Yin L 

PROVIDER: S-EPMC10729287 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature