Description

Non-Malaysian citizens are subject to 6% SST, to be verified and paid at the counter before screening.

CA15-3 Test — Breast Cancer Marker

Introduction

CA15-3 (Cancer Antigen 15-3) is a glycoprotein antigen commonly used as a tumor marker for breast cancer. It is most valuable in advanced or recurrent breast cancer, where CA15-3 levels are often significantly elevated.

Note: Elevated CA15-3 alone does not confirm breast cancer, as benign conditions such as mastitis, liver disease, or ovarian cysts may also raise levels.

Why Take a CA15-3 Test?

Treatment monitoring: Track CA15-3 changes during therapy to assess effectiveness.
Recurrence follow-up: Used post-treatment or post-surgery to monitor relapse risk.
Risk indication: Complements imaging and other markers to increase clinical accuracy.

Method & Workflow

A venous blood sample is collected to measure CA15-3. Results should be interpreted with clinical history and imaging (ultrasound, mammogram, or MRI).

Factors & Notes

Benign conditions (mastitis, liver disease, ovarian benign lesions) may elevate CA15-3.
Early-stage breast cancer may not elevate CA15-3, limiting its role in early screening.
Serial monitoring is more valuable than isolated measurements.

Who Should Consider Testing?

Breast cancer patients under active treatment
Post-treatment or post-surgery patients for recurrence surveillance
Individuals advised by their doctor as part of a tumor marker panel

Frequently Asked Questions (FAQ)

Q1: Does high CA15-3 always mean breast cancer?
A: No. Benign diseases such as mastitis or liver disease can also increase CA15-3.

Q2: Is CA15-3 useful for early breast cancer screening?
A: No. Many early breast cancers show normal CA15-3 levels, so it is not reliable for screening alone.

Q3: How should CA15-3 results be interpreted?
A: Results should be evaluated alongside clinical examination and imaging (ultrasound, mammogram, MRI), focusing on trends over time.

If you have any health-related questions, feel free to contact us via WhatsApp at CONTACT US. We will arrange a one-on-one consultation with a dedicated specialist to provide you with detailed explanations and recommendations.

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