A 30-year-old man with headache, nausea, visual blurring, and vertigo for the past six months.

A 2-year-old boy accidentally shot in the forehead with an air gun.

A 29-year-old woman with persistent pain in the left iliac fossa, suprapubic pain, nausea, and vomiting.

A 28-year-old woman with cervical spine tenderness after motor vehicle accident.

A 28-year-old woman presents with a three- to four-month history of progressively worsening lower back pain in the absence of any trauma, neurology, or constitutional symptoms.

A 28-year-old hockey player with new-onset left hip pain and swinging pyrexia.

A 27-year-old woman with progressive fullness in the throat, pain during swallowing, dysphagia, and dyspnea.

A 27-year-old woman employed by a well-known global soft drinks manufacturer and on a heavy diet for four weeks. In addition to her intensive sports activities, she drinks a lot of diet cola. She complains about left hip pain for the past two days.

A 27-year-old man with severe right eye pain, photophobia, and loss of vision.

A 26-year-old woman with anorexia nervosa presented with a sudden onset of generalized and progressive abdominal pain.

A 26-year-old man presented to an outpatient clinic complaining of recurring episodes of fresh bleeding from the rectum for the past 11 years.

A 26-year-old man with epilepsy was referred for diagnostic checkup. He had experienced tonic-clonic generalized seizures for several years.

A 25-year-old woman with pelvic discomfort, dysuria, fever, and abdominal pain.

A 25-year-old woman with a painless, hard mass on the right side of the mandible.

A 25-year-old woman was admitted to the emergency department with acute abdominal pain in the periumbilical region that lasted for 12 hours. The patient had discomfort and a wet navel for four days. The patient had severe pain on abdominal palpation in the periumbilical region, increased acute phase reactants, and leukocytosis.