Author | William Yaakob, MD

Articles

Interpreting Chest X-rays:

September 01, 2007

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.

Upper Extremity Swelling in a Smoker

April 01, 2007

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

Woman With Headache, Diaphoresis, Abdominal Symptoms

January 01, 2007

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.

What Do These Images Reveal?

January 01, 2007

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.

What Do These Images Reveal?

January 01, 2007

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.

Man With Pigmented Lesion

December 31, 2006

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.

What Do These Images Reveal?

December 31, 2006

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.

Ischemia of the Liver Secondary to Portal Vein Thrombosis

December 31, 2006

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.

Chest Pain and Intermittent Diarrhea andHematochezia in an Older Man

December 31, 2006

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.

Photo Quiz

December 31, 2006

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.