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Microdochectomy
Microdochectomy is the surgical removal (excision) of a lactiferous duct. A mere incision of a mammary duct (without excision) is called ''microdochotomy''. Indication Microdochectomy is a standard treatment of in case there is nipple discharge which stems from a single duct. There are preliminary indications that if ductoscopy and close follow-up are performed, in some cases microdochectomy may not be necessary despite bloody nipple discharge. Duct excision may also be indicated for the treatment of recurrent breast abscess and mastitis;, p. 1694 in this case however the total removal of all ducts from behind the nipple has been recommended to avoid further recurrence. Galactography may be used to investigate the condition of the mammary duct system before the intervention. Pre-operatively, also breast ultrasound and mammogram are performed to rule out other abnormalities of the breast. If the condition involves only a single duct, then microdochectomy may be indicated ...
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Central Duct Excision
Central duct excision is the surgical removal (excision) of all lactiferous duct under the nipple. The excision of a single duct is called microdochectomy, a mere incision of a mammary duct (without excision) is ''microdochotomy''. Indication Central duct excision is a standard treatment of in case there is nipple discharge which stems from multiple ducts or cannot be traced back to a single duct. It is also indicated if there is bloody nipple discharge in patients beyond childbearing age. Duct excision may be indicated for the treatment of recurrent breast abscess and mastitis,, p. 1694 and the total removal of all ducts from behind the nipple has been recommended to avoid further recurrence. In particular if the patient wishes to preserve breastfeeding ability, the condition of the mammary duct system is investigated by means of galactography (ductography) or ductoscopy in order to determine whether the excision of a single duct (microdochectomy) would be sufficient. P ...
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Nipple Discharge
Nipple discharge is fluid from the nipple, with or without squeezing the breast. The discharge can be milky, clear, green, purulent, bloody, or faintly yellow. The consistency can be thick, thin, sticky, or watery. Nipple discharge may be normal, such as milk in late pregnancy or after childbirth, and in newborns during the first weeks of life. It may also be normal following squeezing, in women during the reproductive years. It is likely abnormal if it occurs in men, contains blood, is from only one breast, or is associated with a breast lump, swelling, redness or overlying skin changes. Reasons for abnormal discharge include an intraductal papilloma, duct ectasia, blocked milk duct, infected breast (mastitis or breast abscess), breast cancer, certain medications, and conditions that raise prolactin. Milky discharge in a non-pregnant, non-breast feeding women is evaluated differently to other abnormal nipple discharge. Often, the cause can be determined based on sympt ...
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Galactography
Galactography or ductography (or ''galactogram'', ''ductogram'') is a medical diagnostic procedure for viewing the milk ducts. The procedure involves the radiography of the ducts after injection of a radiopaque substance into the duct system through the nipple. The procedure is used for investigating the pathology of nipple discharge. Galactography is capable of detecting smaller abnormalities than mammograms, MRI or ultrasound tests. With galactography, a larger part of the ductal system can be visualized than with the endoscopic investigation of a duct (called galactoscopy or ductoscopy). Causes for nipple discharge include duct ectasia, intraductal papilloma, and occasionally ductal carcinoma in situ or invasive ductal carcinoma. The standard treatment of galactographically suspicious breast lesions is to perform a surgical intervention on the concerned duct or ducts: if the discharge clearly stems from a single duct, then the excision of the duct (microdochectomy) is indicat ...
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Lactiferous Duct
Lactiferous ducts are ducts that converge and form a Morphogenesis#Branching morphogenesis, branched system connecting the nipple to the lobules of the mammary gland. When lactogenesis occurs, under the influence of hormones, the breast milk, milk is moved to the nipple by the action of smooth muscle contractions along the ductal system to the tip of the nipple. They are also referred to as ''galactophores'', ''galactophorous ducts'', ''mammary ducts'', ''mamillary ducts'' or ''milk ducts''. Structure Lactiferous ducts are lined by a columnar epithelium supported by myoepithelial cells. Prior to 2005, it was thought within the areola the lactiferous duct would dilate to form the lactiferous sinus in which milk accumulates between breastfeeding sessions. However past studies have shown that the lactiferous sinus does not exist. Function The columnar epithelium plays a key role in balancing milk production, milk stasis and reabsorption. The cells of the columnar epithelium form tig ...
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Ductoscopy
Ductoscopy or mammary ductoscopy (also: ''breast duct endoscopy'', ''galactoscopy'') is a medical diagnostic procedure for viewing and collecting epithelial cells and other internal features of the milk ducts. It is capable of detecting smaller abnormalities than mammograms, MRI or 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 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 Fo ...
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Mastitis
Mastitis is inflammation of the breast or udder, usually associated with breastfeeding. Symptoms typically include local pain and redness. There is often an associated fever and general soreness. Onset is typically fairly rapid and usually occurs within the first few months of delivery. Complications can include abscess formation. Risk factors include poor latch (breastfeeding), latch, cracked nipples, and weaning. Use of a breast pump has historically been associated with Mastitis, but has been determined as an indirect association. The bacteria most commonly involved are ''Staphylococcus'' and ''Streptococci''. Diagnosis is typically based on symptoms. Ultrasound may be useful for detecting a potential abscess. Prevention of this Breastfeeding difficulties, breastfeeding difficulty is by proper breastfeeding techniques. When infection is present, antibiotics such as cephalexin may be recommended. Breastfeeding should typically be continued, as emptying the breast is import ...
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Breast Ultrasound
Breast ultrasound is a medical imaging technique that uses medical ultrasonography to perform imaging of the breast. It can be performed for either diagnostic or screening purposes and can be used with or without a mammogram. In particular, breast ultrasound may be useful for younger women who have denser fibrous breast tissue that may make mammograms more challenging to interpret. Automated whole-breast ultrasound (AWBU) is a technique that produces volumetric images of the breast and is largely independent of operator skill. It utilizes high-frequency ultrasound to help perform a diagnostic evaluation of the lactiferous ducts (duct sonography) and make dilated ducts and intraductal masses visible. Galactography is another technique that can be used to visualize the system of lactiferous ducts and allows a wider area to be visualized. Elastography is a type of ultrasound examination that measures tissue stiffness and can be used to detect tumours. Breast ultrasound is als ...
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Mammogram
Mammography (also called mastography; DICOM modality: MG) is the process of using low-energy X-rays (usually around 30 kVp) to examine the human breast for diagnosis and screening. The goal of mammography is the early detection of breast cancer, typically through detection of characteristic masses, microcalcifications, asymmetries, and distortions. As with all X-rays, mammograms use doses of ionizing radiation to create images. These images are then analyzed for abnormal findings. It is usual to employ lower-energy X-rays, typically Mo (K-shell X-ray energies of 17.5 and 19.6 keV) and Rh (20.2 and 22.7 keV) than those used for radiography of bones. Mammography may be 2D or 3D ( tomosynthesis), depending on the available equipment or purpose of the examination. Ultrasound, ductography, positron emission mammography (PEM), and magnetic resonance imaging (MRI) are adjuncts to mammography. Ultrasound is typically used for further evaluation of masses found on mammography or palpa ...
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Breastfeed
Breastfeeding, also known as nursing, is the process where breast milk is fed to a child. Infants may suck the milk directly from the breast, or milk may be extracted with a pump and then fed to the infant. The World Health Organization (WHO) recommend that breastfeeding begin within the first hour of a baby's birth and continue as the baby wants. Health organizations, including the WHO, recommend breastfeeding exclusively for six months. This means that no other foods or drinks, other than vitamin D, are typically given. The WHO recommends exclusive breastfeeding for the first 6 months of life, followed by continued breastfeeding with appropriate complementary foods for up to 2 years and beyond. Of the 135 million babies born every year, only 42% are breastfed within the first hour of life, only 38% of mothers practice exclusive breastfeeding during the first six months, and 58% of mothers continue breastfeeding up to the age of two years and beyond. Breastfeeding has a nu ...
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Areola
The human areola (''areola mammae'', or ) is the pigmented area on the breast around the nipple. More generally, an areola is a small circular area on the Human body, body with a different histology from the surrounding Tissue (biology), tissue, or other small circular areas such as an inflamed region of skin. The mature human female nipple has several small openings arranged radially around the tip of the lactiferous ducts, from which milk is released during lactation. The other small openings in the areola are sebaceous glands, also known as Areolar gland, areolar glands. Shade The areolae can range from pink to red to brown to dark brown or nearly black, but generally tend to be paler among people with lighter skin tones and darker among people with darker skin tones. A reason for the differing color may be to make the nipple area more visible to the infant. Hyperpigmentation occurs in most women during the second stage of pregnancy, leading to a temporarily darker shade. ...
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Histology
Histology, also known as microscopic anatomy or microanatomy, is the branch of biology that studies the microscopic anatomy of biological tissue (biology), tissues. Histology is the microscopic counterpart to gross anatomy, which looks at larger structures visible without a microscope. Although one may divide microscopic anatomy into ''organology'', the study of organs, ''histology'', the study of tissues, and ''cytology'', the study of cell (biology), cells, modern usage places all of these topics under the field of histology. In medicine, histopathology is the branch of histology that includes the microscopic identification and study of diseased tissue. In the field of paleontology, the term paleohistology refers to the histology of fossil organisms. Biological tissues Animal tissue classification There are four basic types of animal tissues: muscle tissue, nervous tissue, connective tissue, and epithelial tissue. All animal tissues are considered to be subtypes of these ...
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Breast Hematoma
Breast hematoma is a collection of blood within the breast. It arises from internal bleeding (hemorrhage) and may arise due to trauma (breast injury or surgery) or due to a non-traumatic cause. Symptoms Symptoms may include visible discoloring ( ecchymosis), breast pain, and swelling. The symptoms may be similar to those of fibrocystic breast changes. Causes A breast hematoma may appear due to direct trauma to the breast, for example from a sports injury or a road accident, for example a vehicle collision in which a seat belt injury occurs. Hematoma can also be a consequence of breast surgery, usually due to post-operative bleeding. Bleeding may occur shortly after the intervention or a number of days later and can occur for cosmetic surgery (for example breast reduction or breast enhancement) and for non-cosmetic surgery (for example lymph node removal, lumpectomy, or mastectomy). More rarely, hematoma can result from breast biopsy. Rarely, a breast hematoma can also ...
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