title: Subareolar injection of technetium-99m nanocolloid yields reliable data on the axillary lymph node tumour status in breast cancer patients with previous manipulations on the primary tumour: a prospective study of 117 patients.
abstract: According to recently published guidelines, histological clarification by interventional techniques should be undertaken before planning the surgical management of patients with breast carcinoma. In patients with previous manipulations on the primary tumour, peritumoural injection in the context of preoperative scintigraphic detection of the sentinel lymph nodes is not possible. The aim of this prospective study was to clarify whether subareolar injection of nanocolloid can yield reliable data on the axillary lymph node tumour status in breast cancer patients with previous manipulations on the primary tumour. To date, 117 women (age 31-80 years) with breast carcinoma have been enrolled. All of these patients had undergone a biopsy (n=88) or surgery on the primary tumour (n=29) and were without clinical suspicion of lymph node metastases. Subareolar injection of 40 MBq technetium-99m nanocolloid was carried out in at least eight deposits around the areolar margin [one deposit in the middle of each quadrant and one deposit at each quadrant intersection (0.05 ml/deposit)]. Immediately after injection, dynamic and static lymphoscintigraphy of the axillary, thoracic and cervical areas was performed in various views with a gamma camera (LEAP collimator, 256x256 matrix). Lymphatic drainage was directed exclusively to the ipsilateral axilla. Sentinel lymph node biopsy and elective dissection of axillary lymph nodes were performed in all patients. All lymph nodes removed were examined by histology and immunohistochemistry. In 26 patients, lymph node metastases were found in the sentinel lymph nodes. In six of them, non-sentinel lymph nodes also showed tumour involvement. In the remaining 91 patients, lymph node metastases could be found neither in sentinel lymph nodes nor in non-sentinel lymph nodes. In conclusion, subareolar nanocolloid injection can yield reliable information on the axillary lymph node tumour status in patients with previous manipulations on the primary tumour in the breast.
authors.affiliation: Clinic for Nuclear Medicine, Charité-University Medicine Berlin, Schumannstrasse 20-21, 10117 Berlin, Germany.
authors.forename: Sofiane
authors.initials: S
authors.lastname: Maza
authors.forename: Anke
authors.initials: A
authors.lastname: Thomas
authors.forename: Klaus J
authors.initials: KJ
authors.lastname: Winzer
authors.forename: Christine
authors.initials: C
authors.lastname: Hüttner
authors.forename: Jens-Uwe
authors.initials: JU
authors.lastname: Blohmer
authors.forename: Maik
authors.initials: M
authors.lastname: Hauschild
authors.forename: Matthias
authors.initials: M
authors.lastname: Richter
authors.forename: Thomas
authors.initials: T
authors.lastname: Krössin
authors.forename: Lilli
authors.initials: L
authors.lastname: Geworski
authors.forename: Andreas
authors.initials: A
authors.lastname: Zander
authors.forename: Hans
authors.initials: H
authors.lastname: Guski
authors.forename: Dieter L
authors.initials: DL
authors.lastname: Munz
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001365:Axilla / Q000000981:diagnostic imaging* / Q000473:pathology; D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D007267:Injections; D008198:Lymph Nodes / Q000000981:diagnostic imaging* / Q000473:pathology; D008207:Lymphatic Metastasis; D008875:Middle Aged; D009558:Nipples; D011446:Prospective Studies; D011877:Radionuclide Imaging; D019275:Radiopharmaceuticals / Q000008:administration & dosage / Q000493:pharmacokinetics; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D021701:Sentinel Lymph Node Biopsy / Q000379:methods*; D013668:Technetium Tc 99m Aggregated Albumin / Q000008:administration & dosage* / Q000493:pharmacokinetics*
chemical_list: D019275:Radiopharmaceuticals; D013668:Technetium Tc 99m Aggregated Albumin; C083602:technetium Tc 99m nanocolloid