The breast journal
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The optimal staging and treatment of the internal mammary nodes (IMNs) among patients with invasive breast cancer (IBC) is controversial. Although medial tumors have been reported to more commonly drain to IMNs, other variables predictive for IMN drainage may help identify those patients who may benefit from further IMN assessment. Factors associated with IMN drainage were analyzed among 141 patients who underwent lymphatic mapping and selective sentinel lymphadenectomy using intradermal injection (ID) or peritumoral (PT) injection. ⋯ IMN drainage occurred in a significant proportion of patients after PT injection, but not ID injection. In the final model, palpable disease was the most important factor associated with IMN drainage; LVI and age less than 50 years were of borderline significance. These factors may aid in the selection of patients who might benefit from further staging or treatment of the IMNs.
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Letter Case Reports
Stiff-person syndrome: a rare presentation for breast cancer.
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Hormone receptor status has long been considered important in predicting the efficacy of endocrine agents for the treatment of breast cancer. We aim to address whether hormone receptor status influences treatment outcome in postmenopausal women receiving aromatase inhibitors for advanced breast cancer. ⋯ A relationship between objective response rate (complete or partial response) or clinical benefit (complete or partial response or stabilization for > or =24 weeks) and hormone receptor status was apparent for anastrozole but not letrozole treatment. Overall these data confirm that hormone receptor status should be a strong consideration in the selection of endocrine treatment for postmenopausal women with advanced breast cancer.