Swyer-James-MacLeod syndrome is a rare complication of respiratory tract infection occurring in early childhood. We report two children with chronic cough and recurrent wheezing who fulfilled the diagnostic criteria for this disorder: 1) Unilateral loss of lung volume with hyperlucency on chest x-ray. 2) Unilateral reduction in vascularity on CT scan of the chest. 3) Unilateral loss of perfusio...

Intrarenal splenosis is very rare and its management is not well established. We present a patient in whom an enhancing left renal mass was incidentally detected on a Computerized tomographic (CT) scan, concerning for renal cell carcinoma. However, the lesion was determined to represent intrarenal splenosis, confirmed by Technetium-99m (99mTc) sulfur colloid scan and percutaneous biopsy, which ...

We report the case of a 71-year-old woman who was referred to our institute with a solid nodule in the right thyroid lobe and hypercalcemia. Ultrasound revealed a well-vascularized right thyroid nodule that was identified as a cold area by (99m)Tc-sodium pertechnetate scan. Fine-needle aspiration showed a follicular lesion and blood tests revealed hypercalcemia and hyperparathyroidism. A (99m)T...

A case of regenerated splenosis 20 years after splenectomy masquerading as a gastric fundic mass is reported. Several endoscopic examinations revealed an extramucosal extrinsic mass in the gastric fundus and a chain of small ulcers high along the lesser curvature. Radionuclide technetium scan and CT scan accurately detected the regenerated splenic tissue indenting the gastric fundus and thus ob...

Imaging of infection and inflammation is an important issue in nuclear medicine as it may have relevant implication for the management of patients with infections or inflammatory diseases. In this regard the synthesis of human polyclonal immunoglobuline G (IgG) radiolabeled with technetium-99m (99mTc) by a novel method, via a nicotinamide hydrazine derivative, was performed. The biologica...

Congenital hypothyroidism (CH) is a condition of thyroid hormone deficiency present at birth and can result in severe neurodevelopmental impairment, growth failure and permanent mental retardation if treatment is delayed for several months after birth (1-3). Girls are more frequently affected than boys (female to male ratios ranging from 2:1 to 4:1)(4). The mental retardation and neurodevelopme...

Three cases of imaging with 99mTc-pertechnetate (99mTcO4) and unusual positive lymph node uptake in the neck are reported hereby. Two cases were later diagnosed to be well-differentiated thyroid carcinoma, (DTC) with nodal metastasis. The third was a confirmed case of carcinoma thyroid that had presented with mass in the neck soon after surgery, being prepared for ablative dose of radioactive i...

Extramedullary pulmonary hematopoiesis is a rare entity with a limited number of case reports in the available literature only. We report the case of a 66-year-old man with known primary myelofibrosis, in whom a Technetium-99m sulfur colloid bone marrow scan with single-photon emission computed tomography (SPECT)/CT revealed a pulmonary hematopoiesis as the cause of pulmonary hypertension and s...

Uptake of technetium-99m methylene diphosphonate by the rectus abdominis muscle was unexpectedly found in a 29 year old man who had started to perform 30 to 40 sit ups a day for five days before the bone scan. After a week of rest, serum creatine kinase activity was still abnormal but muscle uptake of technetium-99m methylene diphosphonate had ceased. This specific muscle injury after short ter...

Uptake of technetium-99m methylene diphosphonate by the rectus abdominis muscle was unexpectedly found in a 29 year old man who had started to perform 30 to 40 sit ups a day for five days before the bone scan. After a week of rest, serum creatine kinase activity was still abnormal but muscle uptake of technetium-99m methylene diphosphonate had ceased. This specific muscle injury after short ter...