A 67-year-old man presented to the emergency department with abdominal pain and groin bruising. He had no history of any disease or drug use. In his breaf story he had a heavy cough five days ago and bruises appeared on the abdomen skin and groin in the last two days. Ecchymosis extends in the midline from umblicus to the penis and scrotum in physical examination (Figure 1). Laboratory evaluati...

A 48-year-old male presented to the emergency department with enlarging regions of ecchymoses over the posterior aspect of both legs (Figure 1). Four days earlier he had the sudden onset of severe achy hamstring pain during a 50-yard sprint. He denied weakness, similar prior episodes, or bleeding abnormalities. Both lower extremities had full range of motion, no loss of strength, a normal knee ...

A major problem in monitoring the online reputation of companies, brands, and other entities is that entity names are often ambiguous (apple may refer to the company, the fruit, the singer, etc.). The problem is particularly hard in microblogging services such as Twitter, where texts are very short and there is little context to disambiguate. In this paper we address the filtering task of deter...

Child abuse might be suspected when children present with cutaneous bruising, intracranial hemorrhage, or other manifestations of bleeding. In these cases, it is necessary to consider medical conditions that predispose to easy bleeding/bruising. When evaluating for the possibility of bleeding disorders and other conditions that predispose to hemorrhage, the pediatrician must consider the child’...

BACKGROUND Occult osseous knee injuries, such as bone bruises, can produce persistent pain and functional loss. Although bone bruises cannot be identified through direct examination or traditional radiographs, magnetic resonance imaging (MRI) has emerged as an effective diagnostic method. Nevertheless, the natural history of these injuries remains to be fully defined. Therefore, we used MRI to ...