Neurology

As many as 300,000 sportsrelatedconcussions arediagnosed each year inthe United States.1 Thisfigure underestimatesthe true incidence, however, becausemany concussive injuries are notrecognized by the injured persons,trainers, or physicians. A recentstudy found that 4 of 5 professionalfootball players with concussionwere unaware that they had sufferedthis injury.2

A neurologic deficit caused by a transient ischemic attack should last less than 24 hours. This woman presented with signs of paresis that had persisted for 36 hours, thus ruling out transient ischemic attack.

A 71-year-old man presented with a 6-week history of decreased vision in his right eye. The patient, who had hypertension and migraine headaches, had successfully recovered from a stroke that occurred 1 year earlier. His medications included aspirin, 81 mg/d, clopidogrel, atenolol, and furosemide. He also took gabapentin, 300 mg hs, for his migraine headaches. He had a remote history of cigarette smoking.

What are the current recommendations for the use of corticosteroids in the treatment of migraine? Is this a therapy primary care clinicians might consider?

A 51-year-old man with a history of AIDS (CD4 count of 59 cells/µL), anemia, neutropenia, and AIDS-related dementia presented with persistent fever, abdominal pain, and diarrhea of 2 months' duration. He did not adhere to his regimen of HAART and prophylactic therapy with atovaquone and azithromycin.

A 45-year-old man presented to the emergency department (ED) with fever and left-sided pleuritic chest pain. He had been in good health until 4 days earlier, when diffuse myalgias, weakness, and frontal headache developed. Two days later, these symptoms were accompanied by onset of fever (temperature, 39.4°C [103°F]) and left-sided pleuritic chest pain. He denied chills, rigors, shortness of breath, hemoptysis, and cough.

A 24-year-old woman complains of a severe, throbbing headache that is present when she is upright and is relieved when she lies down. When she is upright, she also experiences dizziness, blurred vision, light sensitivity, nausea, and occasional diplopia.

A physician who has chronic daily headaches is concerned that his alprazolam regimen (0.5 mg of alprazolam nightly) may be considered "excessive use."

After being hit on the head during a football game, a 16-year-old experienced several seconds of complete vision loss in the left eye. A few days later, he noticed the onset of blurred vision in the same eye, which progressively worsened over several weeks.

A 74-year-old man, who had been aware of a gradual increase in hat size over the past 3 years, complained of a mild headache and backache. His serum phosphatase level was 1,475 U/L (upper normal limit, 120 U/L). Skull films showed calvarial enlargement caused by thickening of the cortical tables, radiolucency in the frontal and occipital regions, and patchy osteosclerosis that produced a cotton-wool appearance.

A 10-year-old boy had a headache, fever, cough, and nasal discharge for 2 days. His temperature was 38°C (100.4°F). Mucopurulent, yellow nasal discharge, fetid breath, and tenderness over the maxillary area were noted.

For 7 days, a 10-year-old boy had had a headache and a fever (temperature, 38.8°C [102°F]); a viral upper respiratory tract infection had been diagnosed. His parents brought him to the emergency department when weakness in his right leg developed, which impaired walking.

A 6-year-old girl was evaluated in the emergency department for a leg rash that had spread to the buttocks. The lesions first appeared earlier in the day and worsened hourly. The child's mother reported that her daughter was in good health until a low-grade fever, nonproductive cough, sore throat, and headache developed 5 days earlier. The youngster also complained of neck pain with movement.

A 65-year-old woman with a long history of hypertension treated with metoprolol and felodipine complained of dizziness, headache, nausea, and vomiting of acute onset. Her blood pressure was 220/110 mm Hg. She was drowsy and unable to stand or walk.

A 64-year-old woman with a history of diabetes, hypertension, and lymphoma was admitted to the hospital with a dull headache, conjunctival congestion, and slight dyspnea. Her pulse rate was 96 beats per minute; blood pressure, 146/68 mm Hg; and respiration rate, 22 breaths per minute. She also had increased jugular venous distention; cardiovascular and chest examination findings were normal. Edema of both arms and dilated blood vessels on the anterior chest wall were noted.

After suffering with recurrent, diffuse, daily headaches for 4 months, a 51-year-old woman sought medical advice. She described the headaches as severe and said they were affected by the position of her head, particularly when bending forward. She also reported episodes of transient numbness on her right side. No syncope was noted, and the patient denied nausea and vomiting.

An 80-year-old man with a history of congestive heart failure, coronary artery disease, cardiomyopathy, and thoracic and abdominal aneurysms was taken to the emergency department because of mental status changes, back pain, and ecchymotic areas over his body. The ecchymoses started on his back 5 days before admission and spread to his abdomen.

A 32-year-old man who had HIV disease complained of headache, fever, and weakness on his right side. His history included intravenous drug use, Pneumocystis carinii pneumonia, and mucocutaneous candidiasis.

The wife of an 82-year-old man with Alzheimer's disease was concerned about her husband's poor posture. According to the woman, the patient had never sustained a back injury and had always maintained a sedentary lifestyle. He never smoked cigarettes and did not use alcohol. His history included multiple transient ischemic attacks (TIAs).

A 60-year-old comatose man was brought to the emergency department (ED). He had a history of diabetes, hypertension, and alcohol abuse. Relatives reported that the patient was noncompliant with his antihypertensive medication regimen.

Dull, constant, bifrontal headaches were the chief complaint of a 28-year-old woman who was referred for her first ophthalmologic examination. She had no specific ocular symptoms, but her primary care physician wanted to rule out an ophthalmologic cause for the headaches.

A week after the onset of headache, fever, chills, nausea, weakness, and malaise, a 23-year-old man presented to the emergency department of a hospital on Long Island in New York. He reported that analgesics had not eased his symptoms. The patient's only past hospitalization was a splenectomy secondary to an auto accident at age 16.

The initial complaint of a 79-year-old woman was of mild headache, neck pain, and sore throat. She had a history of hypertension, diabetes mellitus, and heavy cigarette smoking. Examination by an otolaryngologist, which included laryngoscopy, revealed no abnormalities. Three weeks later, the patient's throat and neck pain became more severe. She had no arthralgias, visual loss, fever, or worsening head pain.

A 51-year-old woman with severe migraines sought evaluation of a dozen round black macules on her hands, forearms, and legs. A few of the lesions had first appeared 1 year earlier; the remainder had erupted since then.

This 6-year-old boy was brought to his physician for evaluation of a rash. The child had been running a fever and, for the past 48 hours, had been complaining of a sore throat, headache, and abdominal pain.

A 40-year-old woman with a history of amenorrhea complained of recent headaches and galactorrhea for the last 6 months. A neurologic work-up revealed bitemporal hemianopia, and a radiograph of the skull suggested an enlarged sella turcica. A large pituitary adenoma disclosed by an MRI and a serum prolactin level of 360 µg/L led to a diagnosis of prolactinoma.

A comatose 29-year-old woman was brought to the emergency department. Her family reported that she had been well until 4 days earlier, when headache and fever developed. She went to another hospital at that time and was told she had an abscessed tooth. She was given erythromycin, and the tooth was extracted the following day. The patient's headache and fever worsened; a sore throat also developed, and a rash appeared on her trunk, arms, and legs. The family denied any HIV risk factors, unusual medical history, recent travel, and exposure to persons with infectious diseases.

A 57-year-old man was brought to the emergency department with severe bifrontal headache, which he had had for 3 weeks. Family members reported that the patient exhibited episodes of confusion and loss of recent memory since the onset of the headache.

While playing outside, a 23-month-old girl became sleepy and difficult to arouse. The mother brought her daughter to the emergency department (ED); posturing and a dilated and fixed right pupil were noted. The child was hospitalized.

Headache and vomiting suddenly developed in a 41-year-old woman who was 16 weeks pregnant. The next day, she suffered an episode of tonic-clonic seizures associated with a 15-minute loss of consciousness.