Combined Scintigraphic and Radiographic Diagnosis of Bone by Yong-Whee Bahk, H.N.Jr. Wagner

By Yong-Whee Bahk, H.N.Jr. Wagner

The 3rd version of mixed Scintigraphic and Radiographic analysis of Bone and Joint illnesses has been comprehensively rewritten and rearranged. It now encompasses, as well as the bone and joint ailments defined within the prior variants, hitherto unpublished novel purposes of pinhole scanning to the prognosis of a broader spectrum of skeletal problems than ever earlier than, together with these of the gentle tissues. lots of cutting-edge scans and corroboratory radiograms received utilizing CT, MRI and/or sonography are provided facet by way of part. The e-book has been significantly elevated to debate 5 new issues: basic variations and Artifacts, Drug-Induced Osteoporosis, Soft-Tissue Tumors and Tumor-like stipulations, PET/CT in Bone and Joint ailments and A Genetic attention of Skeletal issues. Topical chapters on rheumatic skeletal issues, malignant tumors of bone, benign tumors of bone and tense ailments have additionally been completely rewritten and are complemented by means of the addition of a few ninety lately bought instances.

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Additional info for Combined Scintigraphic and Radiographic Diagnosis of Bone and Joint Diseases (2007)

Sample text

The sacrum and ilia overlap at the sacroiliac joints in the straight posterior view, requiring the butterfly view for their separation (Fig. 23B, C). In this special view, the upper compartment is portrayed as a vertical, wedge-shaped photopenia between the tuberosities of the ilium and sacrum, whereas the lower compartment is only incompletely separated. Tracer is accumulated more intensely in the iliac auricular surface than in the sacral because greater articular movement occurs in the former.

20). The pinhole scintigraphic anatomy of pediatric vertebrae is characterized by the “not squared” tracer uptake in the growing endplates (Fig. 21). 6 Sacrum and Sacroiliac Joints For the sake of integrity, the pinhole scan anatomy of the sacrum and the sacroiliac joints are described together. The posterior pinhole scintigraph of the sacrum taken at a relatively low magnification level reveals accumulation of tracer in the sacroiliac joints with mild uptake in the sacral body and lateral parts.

1998a) and pinhole bone SPECT (Bahk et al. 1998b). Although single-head planar pinhole bone scintigraphy improves the resolution, a blind zone is inevitably created in the periphery of the field of view due to rapid radioactivity falloff. The blind zone is typically observed in the periphery of the XY coordinate on the planar image and in the far background of the XZ coordinate if a pinhole collimator focuses on the foreground or midground of a scan object. Planar SPECT can solve the problem of the blind zone, but the resolution remains low, detracting from the value of SPECT.

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