Bone formation in a carcinoma of the maxillary antrum

1999 ◽  
Vol 28 (6) ◽  
pp. 375-377 ◽  
Author(s):  
K Lee ◽  
Y Suei ◽  
T Yamada ◽  
S Masuda ◽  
I Ogawa ◽  
...  
Keyword(s):  
Bone Formation ◽  
Maxillary Antrum

Ossifying pleomorphic adenoma of the maxillary antrum

1992 ◽  
Vol 106 (1) ◽  
pp. 50-52 ◽  
Author(s):  
K. C. Lee ◽  
J. K. C. Chan ◽  
Y. W. Chong
Keyword(s):  
Bone Formation ◽  
Pleomorphic Adenoma ◽  
Endochondral Ossification ◽  
Unusual Case ◽  
Maxillary Antrum ◽  
Intraoperative Diagnosis ◽  
Direct Deposition

AbstractAn unusual case of pleomorphic adenoma with exuberant bone formation, occurring in the maxillary antrum of a 21-year-old male and showing repeated recurrence, is reported. In contrast to the endochondral ossification in the previous reported cases of pleomorphic adenoma, direct deposition of osteoid by metaplastic myoepithehal cells is suggested to explain the bone formation. The difficulties of distinguishing this tumour from osteosarcoma during intraoperative diagnosis are discussed.

Dietary Calcium Supplementation Suppresses Bone Formation in Magnesium-Deficient Rats

2006 ◽  
Vol 76 (3) ◽  
pp. 111-116 ◽  
Author(s):  
Hiroshi Matsuzaki ◽  
Misao Miwa
Keyword(s):  
Bone Formation ◽  
Calcium Supplementation ◽  
Control Diet ◽  
Formation Rate ◽  
Dietary Calcium ◽  
Mineral Apposition Rate ◽  
Control Group ◽  
Deficient Diet ◽  
Bone Formation Rate ◽  
Male Wistar Rats

The purpose of this study was to clarify the effects of dietary calcium (Ca) supplementation on bone metabolism of magnesium (Mg)-deficient rats. Male Wistar rats were randomized by weight into three groups, and fed a control diet (control group), a Mg-deficient diet (Mg- group) or a Mg-deficient diet having twice the control Ca concentrations (Mg-2Ca group) for 14 days. Trabecular bone volume was significantly lower in the Mg - and Mg-2Ca groups than in the control group. Trabecular number was also significantly lower in the Mg - and Mg-2Ca groups than in the control group. Mineralizing bone surface, mineral apposition rate (MAR), and surface referent bone formation rate (BFR/BS) were significantly lower in the Mg - and Mg-2Ca groups than in the control group. Furthermore, MAR and BFR/BS were significantly lower in the Mg-2Ca group than in the Mg - group. These results suggest that dietary Ca supplementation suppresses bone formation in Mg-deficient rats.

[18F]Fluoride PET Indicates Reduced Bone Formation in Severe Glucocorticoid-induced Osteoporosis

1998 ◽  
Vol 37 (02) ◽  
pp. 76-79 ◽  
Author(s):  
T. D. Kirchhoff ◽  
W. Burchert ◽  
J. v. d. Hoff ◽  
H. Zeidler ◽  
H. Hundeshagen ◽  
...  
Keyword(s):  
Bone Formation ◽  
Multiple Organ ◽  
High Dose ◽  
Multiple Fractures ◽  
Glucocorticoid Treatment ◽  
Organ Manifestations ◽  
Diagnostic Benefit ◽  
Sharp Syndrome ◽  
18F Fluoride

SummaryA 61-year-old female patient presenting with mixed connective tissue disease (Sharp syndrome), underwent a long-term high dose glucocorticoid treatment because of multiple organ manifestations. Under steroid therapy she developed severe osteoporosis resulting in multiple fractures. A dynamic [18F]fluoride PET study in this patient revealed reduced fluoride influx in non-fractured vertebrae. This finding corresponds to pathogenetic concepts which propose an inhibition of bone formation as major cause of glucocorticoid-induced osteoporosis. In the light of the presented case it seems to be promising to evaluate the diagnostic benefit of [18F]fluoride PET in osteoporosis.

Author response for "Piezo1 Inactivation in Chondrocytes Impairs Trabecular Bone Formation"

2020 ◽  
Author(s):  
Gretl Hendrickx ◽  
Verena Fischer ◽  
Astrid Liedert ◽  
Simon von Kroge ◽  
Melanie Haffner‐Luntzer ◽  
...  
Keyword(s):  
Bone Formation ◽  
Trabecular Bone ◽  
Author Response
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