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Breast-nonmalignant
Benign tumors / changes
Galactocele of breast
Reviewer: Hind Nassar, M.D. in January 2009 (see Authors page)
Revised: 4 April 2010, last major update April 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Milk filled cavity beneath areola, usually due to abrupt suppression of lactation
Terminology
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Epidemiology
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Sites
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Etiology
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Clinical features
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Prognostic factors
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Case reports
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● Male infant with hyperprolactinemia and bilateral galactocele (Int J Pediatr Endocrinol 2009;578610)
● 36 year old woman with mass arising in accessory breast tissue in axilla (Arch Gynecol Obstet 2007;276:379)
● 37 year old nulliparous woman with prolactinoma (Maturitas 2009;62:98)
● 54 year old postmenopausal woman (Breast Cancer Res 2000;2:A53)
● Due to augmentation mammoplasty (Aesthetic Plast Surg 2005;29:274)
Treatment
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● Aspiration or no treatment
Clinical images
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Large cystic cavity
Gross description (Macroscopy)
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Gross images
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Micro description (Histopathology)
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● Dilated, anastomosing, epithelium lined channels, often with secretory activity
● Cyst contents may leak into adjacent tissue and cause lipogranulomatous reaction with foamy macrophages (J Cutan Pathol 2010 Feb 25 [Epub ahead of print])
Micro images
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Drawings
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Virtual Slides
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Videos
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Cytology description
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Cytology images
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Positive stains
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Negative stains
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Electron microscopy descriptions
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Electron microscopy images
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Molecular / cytogenetics description
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Molecular / cytogenetics images
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Differential Diagnosis
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Additional references
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End of Breast-nonmalignant > Benign tumors / changes > Galactocele of breast
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