N64.53

Clinical Causes: Previous breastfeeding or nipple trauma Intraductal breast carcinoma Benign breast tumors such as fibroadenomas Infections resulting in tissue changes Congenital nipple inversion (present at birth) Inflammatory breast conditions Scar tissue from injury or surgery Paget's disease of the breast

Key Symptoms: Nipple appears pulled inward or inverted Discharge from the nipple Swelling or lumps in the breast Pain or tenderness in the nipple or breast Skin changes around the nipple such as redness or scaliness Uneven appearance or asymmetry between breasts

Diagnosis Path: Evaluation begins with a detailed medical history and physical examination. Imaging studies like mammography or ultrasound may be used to assess underlying tissues. In some cases, a biopsy might be necessary if there's suspicion of malignancy or other serious conditions. Additional tests could include MRI or ductoscopy depending on findings.

Treatment Protocols: Treatment depends on the underlying cause of the nipple retraction. Options include: - Observation for benign or congenital cases without symptoms - Surgical correction for persistent or bothersome inversion - Biopsies and further intervention if malignancy is suspected - Managing infections or inflammatory conditions with appropriate medications - Supportive care such as wearing well-fitting bras and avoiding trauma Consultation with a healthcare provider is essential for an accurate diagnosis and personalized treatment plan.