Papillary carcinomas of the breast
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| Papillary carcinomas of the breast | |
|---|---|
| File:Encapsulated Papillary Carcinoma of the Breast, H&E (15953760002).jpg | |
| Synonyms | |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Breast lump, nipple discharge |
| Complications | |
| Onset | |
| Duration | |
| Types | Encapsulated papillary carcinoma, Solid papillary carcinoma |
| Causes | |
| Risks | |
| Diagnosis | Mammography, Ultrasound, Biopsy |
| Differential diagnosis | Intraductal papilloma, Ductal carcinoma in situ |
| Prevention | |
| Treatment | Surgery, Radiation therapy, Hormonal therapy |
| Medication | |
| Prognosis | Generally favorable |
| Frequency | Rare |
| Deaths | N/A |
Papillary carcinomas of the breast are a rare form of breast cancer characterized by the presence of papillary structures within the tumor. These carcinomas can present in various forms, including ductal carcinoma in situ (DCIS) and invasive papillary carcinoma. They are more commonly found in older women and have distinct histological features that differentiate them from other types of breast cancer.
Classification[edit]
Papillary carcinomas of the breast can be classified into several subtypes based on their histological characteristics:
Encapsulated Papillary Carcinoma[edit]
Encapsulated papillary carcinoma is a well-circumscribed tumor that is often considered a variant of ductal carcinoma in situ. It is characterized by the presence of papillary structures surrounded by a fibrous capsule. This type of carcinoma is typically low-grade and has a favorable prognosis.
Solid Papillary Carcinoma[edit]
Solid papillary carcinoma is another variant that presents as a solid mass with papillary architecture. It is often associated with mucinous differentiation and can be either in situ or invasive. This subtype is more common in older women and is associated with a good prognosis.
Invasive Papillary Carcinoma[edit]
Invasive papillary carcinoma is a rare form of papillary carcinoma that has invaded beyond the basement membrane into the surrounding breast tissue. It is characterized by the presence of invasive papillary structures and may be associated with lymph node involvement.
Histopathology[edit]
The histopathological examination of papillary carcinomas reveals the presence of fibrovascular cores lined by neoplastic epithelial cells. The papillary structures can vary in size and shape, and the degree of atypia can range from low to high grade. Immunohistochemical staining is often used to differentiate papillary carcinoma from other types of breast lesions.
Clinical Presentation[edit]
Patients with papillary carcinomas of the breast may present with a palpable mass, nipple discharge, or be asymptomatic with the tumor detected on routine mammography. These tumors are more frequently found in postmenopausal women.
Diagnosis[edit]
The diagnosis of papillary carcinoma is typically made through a combination of imaging studies, such as mammography and ultrasound, followed by a biopsy to obtain tissue for histological examination.
Treatment[edit]
The treatment of papillary carcinomas of the breast depends on the stage and subtype of the tumor. Surgical options include lumpectomy or mastectomy, often followed by radiation therapy. Hormonal therapy or chemotherapy may be considered based on the hormone receptor status and other prognostic factors.
Prognosis[edit]
The prognosis for papillary carcinomas of the breast is generally favorable, especially for encapsulated and solid variants. The risk of recurrence and metastasis is lower compared to other forms of breast cancer, particularly when the tumor is detected early and treated appropriately.
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