Tag Archives: satisfaction of search

Reversible posterior leukoencephalopathy: difficult to detect if you have another explanation

Satisfaction of search and the history of Ruth

Ruth was a 54-year-old woman with a malignant tumor for which she received treatment with a tyrosine kinase inhibitors. She was having the drug for a month without a problem. But one day she started with diarrhea, confusion and agitation.

Continue reading Reversible posterior leukoencephalopathy: difficult to detect if you have another explanation

Enough is enough: hemorrhoids again

SAM_2306
Atlantic Coast, Portugal

His face was sad. A man on his late sixties supported by his partner, a man of similar age. He was in front of me, sitting down with a terrible pain on his buttock. We had to decide about his treatment with chemotherapy but there was an important problem. His heart was damaged by two previous heart attacks and three stents helped him to  keep the arrival of oxygen to the myocardium.

Continue reading Enough is enough: hemorrhoids again

Crossing the midline: an explanation for a bias

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Mediterranean shells

CLINICAL CASE: A 69-year-old woman without previous disease presented to the Emergency Room (ER) with an acute left hemiparesis, dysarthria and  hemifacial deviation to the right.

A CAT scan showed a 3 cm intracraneal lump located in the left temporo-occipital area, without signs of cerebral infiltration. The initial clinical judgment established a relation between  the lump and the clinical signs of the patient. Do you agree?

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Missing an image: perception in Radiology

Many clinical decisions are based nowdays in a radiological report. Radiologist have a difficult task when they have to search for metastases in a patient with a disseminated tumor. The most common errors are satisfaction of search (after you find something you don´t look for more) or “tunnel vision” (an incomplete study of the image).

How many lesions you see in this video, quite similar to the radiologist environment?

[wpvideo taoavJ3u]

Continue reading Missing an image: perception in Radiology