Objective: Conventional fine-needle aspiration biopsy (FNAB) for cystic thyroid nodules (CTNs) has a high rate of nondiagnostic and false-negative results. Ultrasound-guided FNAB (UG-FNAB ...

Unfortunately, popping pimples may lead to more inflammation, longer healing time, or infection so it's not your best option. Most acne lasts a few days to a week, but deeper pimples may take weeks or ...

Other problems, like fluctuating hormone levels, stress, and genetics can contribute to pimples on the scalp. Acne cosmetica, scalp folliculitis, and acne keloidalis nuchae are scalp conditions that ...