# Ductoscopy

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Medical diagnostic procedure

Medical diagnostic method

Ductoscopy Purpose collecting epithelial cells from milk ducts

**Ductoscopy** or **mammary ductoscopy** (also: *breast duct endoscopy*, *galactoscopy*) is a medical diagnostic procedure for viewing and collecting [epithelial cells](/source/Epithelial_cells) and other internal features of the [milk ducts](/source/Milk_ducts). It is capable of detecting smaller abnormalities than [mammograms](/source/Mammogram), [MRI](/source/MRI) or [ultrasound](/source/Ultrasound) tests.

Ductoscopy can be performed in a physician's office or as an outpatient in a clinic. A fiber optic scope less than a millimeter thick is inserted into the milk duct at the nipple and threaded deep into the breast through the duct. No incision is involved. An imaging system displays the output of the scope on a computer monitor. Samples of epithelial cells can be collected onto [microscope slides](/source/Microscope_slide) for further analysis. Local anesthetic may be employed to reduce discomfort.

Latest Mammary Ductoscope, also called Micro Endoscope, is available with the diameter of 0.35 mm. The endoscopes is used along with a 3-way cannula. The other two ports are used for saline irrigation and Biopsy Forceps of 0.4 mm diameter.

Ductoscopy can also be performed in conjunction with a [lumpectomy](/source/Lumpectomy), allowing the surgeon to achieve clean margins with a minimum of excess tissue removed.

## References

- [https://abcnews.go.com/Health/OnCallPlusScreeningAndDiagnosis/story?id=3642506](https://abcnews.go.com/Health/OnCallPlusScreeningAndDiagnosis/story?id=3642506)

- "Breast ductoscopy with a 0.55-mm mini-endoscope for direct visualization of intraductal lesions" by VR Jacobs et al.

v t e Endoscopy Gastrointestinal tract Upper: Esophagogastroduodenoscopy Transnasal esophagoscopy Lower: Enteroscopy Colonoscopy Sigmoidoscopy Pouchoscopy Proctoscopy Anoscopy Capsule endoscopy Accessory: Endoscopic retrograde cholangiopancreatography Respiratory tract Rhinoscopy Laryngoscopy Bronchoscopy Urinary tract Nephroscopy Ureteroscopy Cystoscopy Female reproductive system Colposcopy Hysteroscopy Falloposcopy Culdoscopy Closed cavity via incision Laparoscopy Laparoscopic surgery Arthroscopy Thoracoscopy Mediastinoscopy Coelioscopy Other Fetoscopy Angioscopy Otoscopy

v t e Tests and procedures involving the breast Breast surgery Breast-conserving surgery Lumpectomy Segmental resection Wide local excision Quadrantectomy Mastectomy Radical mastectomy Breast augmentation Trans-umbilical breast augmentation Mammaplasty Breast implant Breast reduction SPAIR Mastopexy Breast reconstruction Interventions on the Lactiferous ducts Ductal lavage Ductoscopy Microdochectomy Central duct excision Breast imaging Mammography Positron emission mammography Tomosynthesis Xeromammography Galactography Breast MRI Breast ultrasound Automated whole-breast ultrasound Scintimammography Elastography Other Breast biopsy Fine-needle aspiration Breast cancer screening Breast self-examination Ductal lavage Breast duct endoscopy

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Adapted from the Wikipedia article [Ductoscopy](https://en.wikipedia.org/wiki/Ductoscopy) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Ductoscopy?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.