PubMed · 8306794
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W A Dull. 1994. Interventional radiology concerns.. https://doi.org/10.1378/chest.105.2.643b
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We report a 1 day old girl with a nasal mass that was diagnosed as an intranasal glioma. The tumor mass was noted to be localized laterally from, and based along, the inferior turbinate. Nasal glioma is a developmental abnormality of neurogenic origin with no malignant potential. An intranasal mass requires careful rhinological, neurological and radiological examinations. With adequate initial removal, excisional biopsy usually allows complete recovery. A frontal craniotomy approach is preferred for those patients who have nasal glioma with an intracranial connection. With no evidence of an intracranial connection, a conservative extracranial approach is recommended.
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Sentinel lymph node (SLN) biopsy requires validation by a backup axillary dissection in a defined series of cases before becoming standard practice, to establish individual and institutional success rates and the frequency of false negative results. At least 90% success in finding the SLN with no more than 5-10% false negative results is a reasonable goal for surgeons and institutions learning the technique. A combination of isotope and dye to map the SLN is probably superior to either method used alone, yet a wide variety of technical variations in the procedure have produced a striking similarity of results. Most breast cancer patients are suitable for SLN biopsy, and the large majority reported to date has had clinical stage T1-2N0 invasive breast cancers. SLN biopsy will play a growing role in patients having prophylactic mastectomy, and in those with 'high-risk' duct carcinoma in situ, microinvasive cancers, T3 disease, and neoadjuvant chemotherapy. SLN biopsy for the first time makes enhanced pathologic analysis of lymph nodes logistically feasible, at once allowing greater staging accuracy and less morbidity than standard methods. Retrospective data suggest that micrometastases identified in this way are prognostically significant, and prospective clinical trials now accruing promise a definitive answer to this issue.