William Yaakob, MD

Evaluation of a radiograph's quality requires some understanding of the technical factors involved in the production of an x-ray image. Without such understanding, the risk of making an interpretive error is increased.

A 57-year-old woman presents with swelling of the hands that began several weeks earlier and is now worsening. She denies joint pain, and she has no history of trauma or significant vascular disease. She has had pneumonia several times; each episode was successfully treated with antibiotics. She has smoked 2 packs of cigarettes a day for the past 20 years

A 47-year-old woman complains ofepisodic headaches that began severalmonths earlier and are accompaniedby sweating, flushing, abdominal pain,and vomiting; these attacks have progressivelyworsened. She takes no medicationsand denies fever, chills, andnight sweats. The medical history isunrevealing.

A 32-year-old man complains ofknee pain that resulted when he felland twisted his right knee skiing theday before. He suffered other minorcontusions from the fall, but none ofthese required medical attention. Heis otherwise in good health and hasno relevant medical history.

A 32-year-old man complains oflong-standing low back discomfortthat has worsened to frank pain overthe past month. He denies fever, trauma,and excessive physical activity. Hismedical history is noncontributory.

A 32-year-old man recently noticed a dark lesion behind his right knee. The patientdenies trauma and fever and has no other medical problems. Since he started workingfor the parks and recreation department of the state of Florida 18 months ago, hehas spent an increased amount of time outdoors.

A 67-year-old man complainsof abdominal distention and bouts ofdiarrhea with intermittent constipation.These symptoms have beenpresent for weeks but recently havebecome more severe. The patienthas not seen blood in his stool. Hedenies fever, travel to a foreign country,and recent trauma. He has hypertension,which is well controlledwith calcium channel blockers.

A 59-year-old woman complainsof progressively worsening bloatingand right upper quadrant pain thatbegan 1 day earlier. She denies feverand trauma. Her medical history includescholecystectomy for cholelithiasisand several emergency departmentvisits for treatment of woundssustained in falls. She has a history ofalcohol abuse, for which she now receivescounseling. However, she admitsthat she occasionally has boutsof heavy drinking.

A 68-year-old man with severe emphysema complains ofchest pain that began that morning. He has also had intermittentdiarrhea and occasional blood in his stool for thepast 2 weeks.

Right hip pain in a high schoolfootball playerA 15-year-old boy complains ofright hip pain that began the day before,when he felt a "pop" during footballpractice. His medical history issignificant only for several ligamentousinjuries in both ankles and fracturesof the right lateral malleolusand the left medial malleolus, whichhealed uneventfully. He denies anabolicsteroid use and alcohol use.

For the past month, a 19-year-old woman has had abdominalpain, diarrhea, intermittent fever, and occasionalvomiting. She now seeks medical attention because earlierin the day she noticed a large amount of blood in herstool. She denies trauma, travel to a foreign country, andillicit drug use. She drinks alcohol occasionally but hasnot done so for the past 3 months.

A 64-year-old woman complainsof neck fullness that has increased inthe last few months. She has occasionaldyspnea but denies fever, cough, andhemoptysis. Hypertension is well-controlledwith propranolol.

A 76-year-old woman complains of gradually worsening back pain thatbegan 6 weeks earlier, after she fell off a ladder rung 3 feet from the ground(she landed on her feet). She is otherwise in good health and denies fever andloss of sensation or control in the lower extremities.

A 72-year-old man complains that he has been losing weightfor the last 2 months. Colon cancer was diagnosed 2 yearsearlier, and the lesion was resected; he did not receive anyadditional therapy at that time. Except for hypertension,which is well controlled with propranolol, the remainder ofthe medical history is unremarkable.

A 75-year-old woman complains of chest pain that radiates to her back betweenher shoulder blades. The pain began the morning of her presentationand has progressed throughout the day. She denies recent trauma, shortnessof breath, and fever. She has hypertension, which is treated with a &#946-blocker.Three years earlier, she fractured her right femur in a motor vehicle accident;the fracture was treated by open reduction and internal fixation.

A 62-year-old man has had nightsweats and worsening fever andcough for the last 4 days; 2 days agohe had an episode of hemoptysis. Hedenies trauma or travel to a foreigncountry but has a 30-pack-year smokinghistory. The medical history isotherwise noncontributory.

Mammography is auseful tool. However,it has limitations. Until recently,it had been viewedas the ultimate diagnostictest, capable of detecting allbreast cancers in their earliest,treatable stages. Thissimply is not true. Evenwhen performed by themost capable institutionsand radiologists, mammographyhas a sensitivity of80% to 85% for the detectionof breast cancer. This hasbeen established by numerousstudies.1,2

A 53-year-old man complains ofdyspnea and a cough that has progressivelyworsened over the pastweek. He denies recent trauma.

A 29-year-old woman is brought to the emergency department after a caraccident. She complains of head pain and has a contusion over the posterioraspect of the right temporal bone and right occipital bone; a small amount ofblood flows from the right external auditory canal. She has only a vague recollectionof the accident. Past medical history-although difficult to ascertain-seems noncontributory.

A 58-year-old man complains ofintermittent headaches that beganabout 2 months earlier and have recentlyincreased in severity. Theheadaches occur at various times ofthe day and improve slightly whenhe sits. He denies trauma, fever, photophobia,and other neurologicsymptoms. He has 1 alcoholic drinka day and has smoked 1 pack of cigarettesa day for the past 20 years.Medical history is noncontributory.

A 64-year-old woman presentsto the emergency department withworsening crampy abdominal painthat began the night before. Afterthe pain started, she had a bowelmovement containing a significantamount of blood; since then she hashad episodes of diarrhea. She hadbeen previously healthy, denies traumaand fever, and knows no one withsimilar symptoms. She reports norecent enema, endoscopy, or otherabdominal procedure.

A 25-year-old man complainsof right hip pain that began earlierin the day when he fell and landedon his hip while playing basketball.He has no other symptoms, and hishistory is noncontributory.

A 56-year-old woman complainsof right hip pain that has been presentfor several weeks but has recentlyworsened. She denies recent trauma,fever, and increased physicalactivity. She has no history of arthritis,but she does have systemiclupus erythematosus, which a dailyregimen of prednisone, 20 mg PO,has kept in remission. Her medicalhistory is otherwise unremarkable.

A 13-year-old boy complains ofpain in his right hip. The pain began3 days earlier after he was tackledseveral times while playing footballwith his friends. He was able to walkhome. The pain has increased sincethat time. Although the patient is stillable to walk, he now has a limp andfavors his left leg. The patient isotherwise healthy and has no significantmedical history.

A 67-year-old woman who is being treated as an inpatient for head traumacomplains of vague tenderness during an abdominal examination. Othercomplaints are difficult to assess. She had been placed on an oxygen ventilator;however, her cognitive function and pulmonary function are improving, andher cerebral edema is diminished.

A 43-year-old woman presents to the emergency departmentwith fatigue, dyspnea, and intermittent chest painof 3 days’ duration. Her symptoms have worsened sinceshe arose, and 2 hours ago palpitations developed. She describesthe chest pain as a heavy pressure under her sternumthat does not radiate; she denies fever, nausea, vomiting,and diaphoresis.

A 52-year-old man complains of right knee pain that hasbeen increasing steadily for several weeks. Two years earlierhe underwent a total arthroplasty of the same knee to treatsevere osteoarthritis secondary to a meniscal injury. He hasno history of recent trauma or increased activity.

A 48-year old man presents to the emergency departmentwith constant, dull epigastric pain and right upperquadrant pain. The pain has been present for 2 to 3months; does not radiate; has not changed its pattern; andis not associated with fever, nausea, vomiting, diarrhea, orchanges in urine or stool color. There are no alleviating orprecipitating factors.

A 57-year-old woman presents with severe chest pain, and a frontal upright radiograph of the chest is obtained. What does this image reveal, and how will you arrive at a diagnosis?

An 80-year-old woman complains of left hip painthat started after she fell while feeding her cat. The painis moderately severe and is localized to the left hip; itdoes not radiate. The patient is unable to bear any weighton the injured hip but denies numbness in her left leg.There are no other injuries.