Ultrasound-guided core needle biopsy of non-palpable breast lesions: a prospective analysis in 204 cases.

Purpose: To assess the diagnostic value of ultrasound (US)-guided 14 G core needle breast biopsy in non-palpable suspicious breast lesions.

Material And Methods: From August 1997 to April 2001, 198 patients with 204 suspicious non-palpable breast lesions underwent US-guided large core needle biopsy. Biopsies were performed with a free-hand technique using US equipment with a 7.

Prenatal diagnosis of an interstitial 12q chromosome deletion.

Rearrangements involving long arm of chromosome 12 are rare events. To our knowledge, we present the first case of an interstitial deletion of the long arm of chromosome 12 in a prenatal diagnosis. A review of the literature is included in our report.