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At least 163 records · Page 9Linked to original sources
PubMed1984

Intraosseous pneumatocysts of the ilium. Findings on radiographs and CT scans.

CT scans demonstrated a localized collection of gas adjacent to a normal sacroiliac joint in 5 patients. In each case the lesion was sharply demarcated by a thin sclerotic rim. A benign bone cyst was confirmed histologically in 2 cases. The radiologist should be aware of this appearance so as to avoid invasive procedures based on a misdiagnosis of infection or neoplasm.

Adult↗
PubMed1989

Donor site pain from the ilium. A complication of lumbar spine fusion.

Chronic pain at the donor site was reported by 25% of 290 patients who had undergone anterior lumbar spine fusion for low back pain. Donor site pain has characteristic clinical features, may be severely disabling and is stubbornly resistant to treatment. The highest prevalence was in patients who had a tricortical full thickness graft taken through a separate incision overlying the iliac crest. Patients with a clinically unsatisfactory result from the spine fusion also had a significantly higher prevalence of donor site pain.

Adolescent↗
PubMed2007

Effects of a one-month treatment with PTH(1-34) on bone formation on cancellous, endocortical, and periosteal surfaces of the human ilium.

UNLABELLED: Using bone histomorphometry, we found that a 1-month treatment with PTH(1-34) [hPTH(1-34)] stimulated new bone formation on cancellous, endocortical, and periosteal bone surfaces. Enhanced bone formation was associated with an increase in osteoblast apoptosis. INTRODUCTION: The precise mechanisms by which hPTH(1-34) increases bone mass and improves bone structure are unclear. Using bone histomorphometry, we studied the early effects of treating postmenopausal women with osteoporosis with hPTH(1-34). MATERIALS AND METHODS: Tetracycline-labeled iliac crest bone biopsies were obtained from 27 postmenopausal women with osteoporosis who were treated for 1 month with hPTH(1-34), 50 microg daily subcutaneously. The results were compared with tetracycline-labeled biopsies from a representative control group of 13 postmenopausal women with osteoporosis. RESULTS: The bone formation rate on the cancellous and endocortical surfaces was higher in hPTH(1-34)-treated women than in control women by factors of 4.5 and 5.0, respectively. We also showed a 4-fold increase in bone formation rate on the periosteal surface, suggesting that hPTH(1-34) has the potential to increase bone diameter in humans. On the cancellous and endocortical surfaces, the increased bone formation rate was primarily caused by stimulation of formation in ongoing remodeling units, with a modest amount of increased formation on previously quiescent surfaces. hPTH(1-34)-stimulated bone formation was associated with an increase in osteoblast apoptosis, which may reflect enhanced turnover of the osteoblast population and may contribute to the anabolic action of hPTH(1-34). CONCLUSIONS: These findings provide new insight into the cellular basis by which hPTH(1-34) improves cancellous and cortical bone architecture and geometry in patients with osteoporosis.

Aged↗
PubMed1999

Polyradiculoneuropathy revealing a solitary plasmacytoma of the ilium. A new case-report.

Neurological manifestations are uncommon in myeloma patients, and subacute polyradiculoneuropathy as the inaugural manifestations of solitary plasmacytoma of bone is exceedingly rare. We report the case of a 52-year-old man who was evaluated for a three-month history of flaccid tetraplegia with a gradually ascending onset and for a deterioration in general health. Electromyography findings were consistent with polyradiculoneuropathy. Laboratory tests showed a moderate amount of a monoclonal IgG-lambda antibody. Findings were normal from a radiographic bone survey and a radionuclide bone scan. Computed tomography of the pelvis disclosed a solitary osteolytic lesion in the right iliac crest, which was found upon biopsy to be a malignant plasmacytoma. Radiation therapy and chemotherapy were given. Subacute or chronic polyradiculoneuropathy as the inaugural manifestation of solitary plasmacytoma is exceedingly rare and should be distinguished from the sensorimotor polyneuropathy produced by plasma cell infiltration in some multiple myeloma patients. The polyradiculoneuropathy of solitary plasmacytoma can be likened to the neuropathies seen in some forms of multiple myeloma (sclerotic myeloma and POEMS syndrome). The pathophysiology of these neuropathies remains obscure. The case reported here suggests that patients with unexplained lasting polyradiculoneuropathy should be investigated for a plasma cell proliferation even if they have no serum monoclonal component. Because plasmacytomas are painless, imaging studies are needed for their diagnosis. The management of the neuropathy consists in treatment of the tumor.

Bone Neoplasms↗