Search PubMed⌕ Search

PubMed · 3186084

Improved sensitivity in bone scintigraphy using quantitative spinal profile analysis.

Abstract

Full-length skeletal scintiscans were acquired onto a data processor in a series of 256 X 256 matrices. A series of interactive computer programs enables the operator to select profiles down the spine and to standardize them by interpolation to a standard length and by normalization to a given count level. The counts within any section of a profile can then be calculated and the profile examined for any significant deviation from a reference 'normal' curve. In a study of 68 patients, 66% of the spinal profiles were judged abnormal, compared with 26% of scans assessed by visual inspection alone. Of 14 patients with positive profiles and negative or equivocal visually assessed scans, 11 had developed metastases within 14 months of the scan. All five patients with positive profile and raised alkaline phosphatase have died of metastatic disease. The technique appears to increase the sensitivity of bone scintigraphy.

Explore related subjects

Keep this discovery

Explore connections, maps & timelines

BibTeXRIS

D Parker, G C Hart. 1988. Improved sensitivity in bone scintigraphy using quantitative spinal profile analysis.. https://doi.org/10.1097/00006231-198809000-00005

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related citations

Hematometrocolpos in an adolescent female treated for pelvic Ewing sarcoma.

Radiation therapy is often used to achieve local control of pelvic Ewing sarcoma in children. The effects of radiation on the female reproductive tract have been well documented in adults with gynecological malignancies, but the long-term consequences of pelvic radiation in pre-pubertal or adolescent girls are not as well described. We report a case of hematometrocolpos developing in an adolescent previously treated with chemotherapy and radiation therapy for pelvic Ewing sarcoma. We describe the clinical presentation, radiographic features, gross pathology, treatment strategies, outcome, as well as putative predisposing factors and preventative interventions.

Bone Neoplasms↗

Kallikrein 4 is a potential mediator of cellular interactions between cancer cells and osteoblasts in metastatic prostate cancer.

BACKGROUND: Prostate cancer (PCa) and bone cell interactions are critical in the metastatic phase. Kallikrein 4 (KLK4/hK4) is expressed in both PCa and mineralized tissues. We determined if KLK4/hK4 expression was associated with, and influenced by, the bone environment of metastatic PCa. METHODS: Immunohistochemistry, in vitro co-culture, cell migration, and attachment assays. RESULTS: hK4 was localized to tumor cells and osteoblasts in bone metastases. KLK4/hK4 increased in LNCaP and PC3 cells co-cultured with SaOs2 cells; SaOs2 KLK4/hK4 was unchanged. Co-culture did not affect cell proliferation but altered alkaline phosphatase activity/mRNA levels in SaOs2 cells. KLK4-transfected PC3 cells had increased migration towards SaOs2 conditioned medium and greater attachment to the bone-matrix proteins, collagens I and IV. CONCLUSIONS: hK4 expression and interaction with both tumor cells and osteoblasts suggests a role for hK4 in PCa bone metastasis. Whether this observation is unique to bone metastasis or reflects a role for hK4 in PCa metastasis generally is yet to be established.

Bone Neoplasms↗