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Diffuse pulmonary uptake of radiogallium was observed in 50 out of 510 scans (9.8%) performed in a general hospital over a period of 1 yr. Of the 50 cases, 80% had bilateral, diffuse distribution, and 20% unilateral. A variety of clinical conditions produced a similar picture on the pulmonary images. The most common cause of the diffuse uptake was(More)
An 88-yr-old man, with prior left upper lobectomy and phrenic nerve injury, had a ventilation/perfusion lung image. Both wash-in and equilibrium ventilation images showed no radioactive gas in the left lung. Nevertheless, the left lung was perfused. A similar result was obtained on a repeat study 8 days later. Delayed images, during washout, showed some(More)
Transient regional osteoporosis of the ankle and foot is an uncommon clinical entity characterized by local tenderness over the involved area. Plain radiographs demonstrate osteopenia of the involved bone and technetium diphosphonate bone imaging shows increased tracer uptake at the same location. This disorder is benign and self-limiting, and treatment is(More)
One hundred six patients had the area of the femoral head scintigraphed after completion of a Tc-99m sulfur colloid liver scan. In 47 (45%), there was no visible activity in the femoral heads. This was somewhat age-related. All six individuals in the 11- to 19-yr age group showed femoral-head uptake of radiocolloid, but only 37% of those 70 to 79 yr old(More)
Bone scans in two patients with Gaucher's disease were reported as consistent with Gaucher's-associated osseous crises. A bone-radiogallium subtraction study was also initially negative in each individual (although it later became positive in one). At surgery both patients were seen to have osteomyelitis. These two cases point out the difficulty in(More)
99m-Tc--polyphosphate bone imaging was useful in distinguishing Legg-Perthes disease from other childhood hip disorders in 40 patients. In 33 Legg-Perthes patients, imaging provided earlier and more accurate information concerning the extent of the necrotic and revascularization process involving the hip than radiographs alone. This advantage could both(More)
To determine the causes and time course of onset of functional asplenia in adults, a four-part investigation was conducted. This consisted of a review of the world's literature, a survey of colleagues, a detailed study of 4,476 consecutive liver-spleen scans in three hospitals, and continued monitoring of 3,500 scans in five hospitals. Based on the(More)
Four young patients who presented with pain over the anterior compartment of the legs, gave a recent athletic history suggesting stress fractures. Although radiographs were initially normal in all four cases, the bone scintigrams were positive. The individual findings, however, were quite different. In one there was a single focal area of increased(More)