lobular carcinoma


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Related to lobular carcinoma: lobular carcinoma in situ

lob·u·lar car·ci·no·ma

a form of adenocarcinoma, especially of the breast, where lobular carcinoma is less common than ductal carcinoma and usually is composed of small cells.

lobular carcinoma

[lob′yələr]
Etymology: Gk, lobos + karkinos, crab, oma, tumor
a neoplasm that often forms a diffuse mass and accounts for a small percentage of breast tumors. It occurs in the milk lobes of the breast.
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Lobular carcinoma

lobular carcinoma

Oncology A major morphologic form of  breast carcinoma which, like ductal breast carcinoma, arises in the terminal duct/lobular unit; the division is of morphologic, but no clinical, significance. Cf Ductal carcinoma, Medullary carcinoma.
References in periodicals archive ?
Any cell type that can cause increased stromal cellularity can mimic invasive lobular carcinoma, although careful morphologic evaluation is usually sufficient for a correct diagnosis.
prior diagnosis of atypia or lobular carcinoma in situ;
Few studies have investigated the relationship of histologic subtype and Oncotype DX RS; among those that have, most pertain to lobular carcinoma.
Apocrine differentiation in invasive pleomorphic lobular carcinoma with in situ ductal and lobular apocrine carcinoma: a case report.
Lobular carcinoma in situ most often involves lobules but may also grow along the basement of extralobular ducts, that is, "pagetoid" growth, and may secondarily involve benign lesions, such as radial scars, papillomas, fibroadenomas, and collagenous spherulosis.
24) Infiltrating lobular carcinoma (ILC) accounts for 7-10% of breast malignancies.
Table 3 shows no evidence of a statistically significant prolongation of PFS in the group of patients with ductal breast cancer compared to patients with lobular carcinoma, although the first group had a longer PFS, 6 months on average (49.
Clinicopathological features of invasive lobular carcinoma of the breast: a nationwide multicenter study in China.
Of 120 cases that were diagnosed as malignant lesions, 86 cases were invasive ductal carcinoma, 17 cases were invasive lobular carcinoma, 4 cases were intraductal carcinoma, 3 cases were papillocarcinoma, 2 cases were low-malignant phyllodes tumor, 1 case was paget disease accompanied with intraductal carcinoma and 7 cases were invasive ductal carcinoma accompanied with lobular carcinoma.
Breast Cancer Sourcebook: Basic Consumer Health Information About the Prevalence, Risk Factors, and Symptoms of Breast Cancer, Including Ductal and Lobular Carcinoma in Situ, Invasive Carcinoma, Inflammatory Breast Cancer, and Breast Cancer in Men and Pregnant Women.
Histopathology examination revealed two tumours within the left breast; a 16mm Grade 2 lobular carcinoma with probable vascular invasion and a 9mm Grade 1 infiltrating ductal carcinoma with no vascular invasion.
35] Of the 268 malignant lesions, most common diagnosis was infiltrating duct carcinoma (N = 229), followed by medullary carcinoma (N = 2) and mucinous carcinoma, infiltrating lobular carcinoma, sarcomatoid carcinoma, invasive papillary carcinoma, and secretory carcinoma with one case each [Table 3].