Hypertrophic Osteoarthropathy on Bone Scintigraphy.

We present the case report of a patient with a history of lung cancer in whom the typical pattern of hypertrophic osteoarthropathy was seen on bone scintigraphy. We discuss the etiologies, pathophysiology, and management of this entity.

Complex Regional Pain Syndrome Diagnosed with Triple-Phase Bone Scanning.

In this report, we present a case of complex regional pain syndrome in a 55-y-old woman in whom the diagnosis was made on the basis of the bone scan findings. We also discuss the typical and atypical scintigraphic presentations of this entity, including pathophysiology and management.

Spleen Uptake on a Bone Scan.

We present a patient with spleen uptake on bone scanning that was due to sickle cell disease. We also discuss other etiologies for this finding.

Appearance of Meningioma on 99mTc-HMPAO SPECT: Correlation with MRI.

On brain perfusion SPECT, a primary brain lesion presents as a localized defect that corresponds to the mass lesion. (99m)Tc-HMPAO images generally show a focal defect in the region of abnormality, whether containing necrotic tissue, recurrent tumor, or both. Further characterization with MR imaging is needed to confirm the diagnosis, as demonstrated in this case report.

Lumbosacral Transitional Vertebra Diagnosed on 99mTc-Methylene Diphosphonate SPECT/CT.

Lumbosacral transitional vertebra (LSTV) is a congenital anomaly of the lumbosacral junction. The association between back pain and LSTV is controversial; however, in our patient the symptoms localized to a hemisacralized left transverse process of L5. LSTV should be included in the differential diagnosis in young patients with lower back pain, and scintigraphic imaging should be considered for diagnostic purposes.

Complementary role of 18F-FDG PET and 123I-ioflupane SPECT in the diagnosis of Lewy body disease.

We present a case demonstrating how correlative imaging with (123)I-ioflupane SPECT and (18)F-FDG PET can be used to help make the diagnosis of Lewy body disease more specific.

17-year-old runner with shin pain.

Stress injury is a common cause of exercise-induced anterior shin pain. It is important to distinguish between the various causes of stress injury in a timely manner in order to optimize favorable treatment outcomes. Here, we will discuss a case of medial tibial stress syndrome, or shin splints, as one of the causes of shin pain, as well as how to approach shin pain for a successful diagnosis.

The role of scintigraphy in confirmation of suspected brain death.

We present a case illustrating how cerebral perfusion scintigraphy can be used to assist in crucial medical decision making in the intensive care setting for patients who are maintained on life support but are clinically suspected to have brain death. Cerebral perfusion scintigraphy can confirm brain death but cannot be used to diagnose it. (99m)Tc-HMPAO and (99m)Tc-ethylcysteinate dimer are the preferred imaging agents since they cross the blood-brain barrier.

Application of heat-damaged Tc-99m RBCs in a patient with suspected hepatic metastasis.

We present a patient with a remote history of splenectomy and recent hemicolectomy for colon adenocarcinoma. On routine surveillance chest/abdomen/pelvis CT, a lesion suspicious for hepatic metastasis was identified. Followup MRI was inconclusive.

Pulse wave as an alternate signal for data synchronization during gated myocardial perfusion SPECT imaging.

Purpose: Proper identification of the cardiac cycle is essential for gated SPECT myocardial perfusion imaging. We have developed an alternate method of ECG for gating, that is, using the peripheral pulse wave (PW) as the triggering signal for gated SPECT acquisition. The aim of this study is to compare the use of this method of gating with the standard ECG trigger.