Breast cancer − medical oncology summary 2021

2021 ◽  
Vol 100 (4) ◽  

Today, breast cancer has actually become merely an umbrella term that encompasses several cancers with different types of genesis, different genomic and phenotypic characteristics, different needs for systemic treatment and different prognosis. Early diagnosis and good multidisciplinary cooperation, choice of a proper treatment sequence, good supportive treatment and psychological support of the patient are crucial for a therapeutic success. The surgeon plays an important role in the treatment plan of patients with breast cancer; nevertheless, breast cancer is a systemic disease and thus as a rule, surgery alone is usually not sufficient to manage even early stages of the tumor. Surgeons as members of a multidisciplinary team need to know basic information on systemic treatment of breast cancer and have an understanding of how oncologists think; only then it will possible to achieve multidisciplinary consensus as painlessly as possible in each individual case.

ISRN Oncology ◽  
2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
Katya Hekimian ◽  
Sandra Meisezahl ◽  
Kristin Trompelt ◽  
Carola Rabenstein ◽  
Katharina Pachmann

Although considerable progress has been achieved in breast cancer diagnosis and treatment, the live-saving effect of mammography has hardly been measurable and the benefit of taxanes regarded as highly active is still a matter of debate, possibly because treatment effects have hitherto been mainly determined from the solid part of the tumor, due to lack of measurability of the systemic part of the disease. Here, we have quantified the influence on the systemic disease, cells mobilized from the solid tumor. Increased numbers of circulating epithelial cells were observed in screened individuals and still higher numbers in breast cancer patients with repeated mammograms as compared to mammogram naïve individuals. Taxanes as part of the subsequent systemic treatment led to mobilization of tumor suspect cells in up to 78% cases and the majority of relapses have occurred in these patients. Surgery-induced activation of disseminated cells may additionally contribute to metastasis formation.


2013 ◽  
Vol 274 (2) ◽  
pp. 113-126 ◽  
Author(s):  
A. J. Redig ◽  
S. S. McAllister

Biomolecules ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 1021
Author(s):  
Carla Abrahamian ◽  
Christian Grimm

Microphthalmia-associated transcription factor (MITF) is the principal transcription factor regulating pivotal processes in melanoma cell development, growth, survival, proliferation, differentiation and invasion. In recent years, convincing evidence has been provided attesting key roles of endolysosomal cation channels, specifically TPCs and TRPMLs, in cancer, including breast cancer, glioblastoma, bladder cancer, hepatocellular carcinoma and melanoma. In this review, we provide a gene expression profile of these channels in different types of cancers and decipher their roles, in particular the roles of two-pore channel 2 (TPC2) and TRPML1 in melanocytes and melanoma. We specifically discuss the signaling cascades regulating MITF and the relationship between endolysosomal cation channels, MAPK, canonical Wnt/GSK3 pathways and MITF.


2006 ◽  
Vol 72 (9) ◽  
pp. 798-801
Author(s):  
Matthew Voth ◽  
Raye Budway ◽  
Angela Keleher ◽  
Philip F. Caushaj

Women undergoing breast conservation therapy (BCT) for stage 1 breast cancer have adjuvant external beam radiotherapy (EBR). In addition, the use of brachytherapy radiation is being used. We present two local tumor recurrences for review. Our first patient underwent BCT, sentinel lymph node biopsy (SLNBx) and MammoSite® brachytherapy for a T1N0M0 infiltrating ductal carcinoma (IDC) of the right breast. Pathology: 0.6 cm poorly differentiated ER, PR, and Her-2/ Neu negative IDC. At 18 months, she had palpable axillary lymph nodes. Fine needle aspiration and ultrasound-guided core biopsy of a nodule showed IDC. She underwent modified radical mastectomy (MRM) and EBR. Our second patient underwent BCT, SLNBx, and MammoSite® brachytherapy for a T1N0M0 IDC of the left breast. Pathology: 0.8 cm poorly differentiated, ER+, PR-, and Her-2/Neu negative tumor. At 18 months, a retroareolar mass was detected. Ultrasound guided core needle biopsy showed recurrent IDC. She chose a re-excision and EBR and not MRM. Pathology: 1.3 cm poorly differentiated, ER+, PR-, and Her-2/Neu negative tumor. Our 2 recurrences were >2 cm away from the lumpectomy site and therefor outside the 1 cm treatment plan of the MammoSite® catheter. Both recurrences were biologically identical to the initial tumors and are felt to be local failures rather than new primaries.


Author(s):  
R. PANCHAL ◽  
B. VERMA

Early detection of breast abnormalities remains the primary prevention against breast cancer despite the advances in breast cancer diagnosis and treatment. Presence of mass in breast tissues is highly indicative of breast cancer. The research work presented in this paper investigates the significance of different types of features using proposed neural network based classification technique to classify mass type of breast abnormalities in digital mammograms into malignant and benign. 14 gray level based features, four BI-RADS features, patient age feature and subtlety value feature have been explored using the proposed research methodology to attain maximum classification on test dataset. The proposed research technique attained a 91% testing classification rate with a 100% training classification rate on digital mammograms taken from the DDSM benchmark database.


2011 ◽  
Vol 103 (4) ◽  
pp. 348-357 ◽  
Author(s):  
Issam Makhoul ◽  
Elias Kiwan

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