J Z Allende

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Pulmonary thromboembolism (PTE) is a disease whose diagnosis in the emergency department constitutes a challenge to the clinician. Perfusion lung scans have been important in helping in this context, mainly because of the fact that a normal perfusion lung scan rules out the presence of a clinically significant PTE. Nevertheless, false-positive results are(More)
SUMMARY The authors report an unusual case of hypersensitivity pneumonitis presenting on high-resolution CT as large and sharply defined nodular opacities caused by extensive bronchiolitis obliterans with organizing pneumonia. Many of the nodules were surrounded by a halo of ground-glass attenuation. To the authors' knowledge, this is the first time these(More)
Percutaneous nephrostolithotomy is a well known and accepted procedure for the management of renal stones and particularly for debulking of staghorn calculi. Herein we present the case of a patient in renal failure due to bilateral staghorn calculi who was rescued from dialysis after bilateral percutaneous nephrostolithotomies.