Predicting nipple-areolar involvement using preoperative breast MRI and primary tumor characteristics.

Background: Preoperative assessment of the nipple-areolar complex (NAC) is invaluable when considering nipple-sparing mastectomy. Our hypothesis is that breast magnetic resonance imaging (MRI) may predict involvement of the NAC with tumor.

Methods: Clinical, histopathologic, and imaging data were compiled for patients who underwent preoperative breast MRI followed by mastectomy or nipple-sparing mastectomy for malignancy between 2006 and 2009.

Spontaneous regression of interval benign cysts of the breast.

Purpose: To evaluate the natural history of nonpalpable interval breast cysts detected at mammography and diagnosed at sonography in an asymptomatic female population.

Materials And Methods: The imaging records of 5,000 consecutive patients (aged 35-77 years [mean, 51 years]) seen in one breast center over a 6-month period were reviewed. Serial studies of those patients with documented evidence of interval benign breast cysts were evaluated for the subsequent course of such lesions with regard to regression, stability, or enlargement seen at mammography.

Pneumonia in the neonatal intensive care unit. Diagnosis by quantitative bacterial tracheal aspirate cultures.

Growth of > or = 10(5) colonies of bacteria per milliliter obtained at bronchoscopy in children and adults correlates with bacterial pneumonia. To determine whether quantitative tracheal aspirate cultures aid in diagnosis of pneumonia in the neonatal intensive care unit setting, tracheal aspirates were obtained from 25 infants who had recently undergone endotracheal intubation; 15 of the infants had suspected pneumonia and 10 control infants had undergone intubation for suspected apnea of prematurity (4 infants) or elective surgery (6 infants). Studies also were performed to detect Mycoplasma, Ureaplasma, viruses, and Pneumocystis.

Hypothalamic-pituitary-adrenal axis function in very low birth weight infants treated with dexamethasone.

The effect of dexamethasone therapy on hypothalamic-pituitary-adrenal axis function was prospectively investigated in very low birth weight infants with bronchopulmonary dysplasia. Ten infants (mean +/- SD birth weight 825 +/- 265 g, gestation 25.8 +/- 1.

Sonographic diagnosis of thoracic gastroenteric cyst in utero.

A case of prenatal sonographic detection of a posterior mediastinal cyst in an otherwise normal fetus is presented. Following surgical excision 5 days after birth, histological examination confirmed the cyst to be gastroenteric. The differential diagnosis and clinical value of prenatal detection are discussed.