A 13-Year-Old Girl with Primary Amenorrhea.

A 13-Year-Old Girl with Primary AmenorrheaA 13-year-old girl presented for evaluation of intermittent lower abdominal pain and absence of menarche. How do you approach the evaluation, and what is the diagnosis?

Interdisciplinary Management of Malignant Ovarian Tumors in the Pediatric and Adolescent Age Group.

Malignant ovarian neoplasms are uncommon in the pediatric and adolescent population. Imaging and tumor markers help to guide the preoperative risk/benefit analysis for planned surgical management, which is the mainstay of therapy. An interdisciplinary approach should be taken in the management of this vulnerable population from diagnosis through post-treatment surveillance.

The female adolescent breast: disorders of development.

Purpose Of Review: This article will provide an overview on female breast development and focus on common abnormalities of growth, the emerging role of breast self-awareness, and discuss trends in the evaluation and treatment of the breast masses and disorders most often encountered in the female adolescent population.

Recent Findings: Although the embryology of breast development is unchanged, data are emerging on the role of environmental factors on the timing of puberty and thelarche. As breast development occurs, the role of breast self-awareness is also a new trend that allows teens to be cognizant of changes in their own breast and to become more comfortable with their own anatomy.

Role of ATG16L, NOD2 and IL23R in Crohn's disease pathogenesis.

Inflammatory bowel disease is a group of diseases that includes Crohn's disease (CD) and ulcerative colitis. CD is characterized as a chronic inflammatory disease of the gastrointestinal tract, ranging from the mouth to the anus. Although there are gross pathological and histological similarities between CD and Johne's disease of cattle, the cause of CD remains controversial.