Sinusoidal hemangioma of the arm: case report and review of literature
Vol. 52 No. 3 Suppl., 2011
This supplement was not sponsored by Outside Organizations.
ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY
M. Ciurea, Raluca Ciurea, D. Popa, H. Parvanescu, Daniela Marinescu, Maria Vrabete
Sinusoidal hemangioma is a rare variant of cavernous hemangioma that develops more frequently subcutaneous, often in the extremities. We report the case of a 19-year-old patient three times operated for a recurrent soft tissue tumor, located in the distal third of the antero-medial face of the right arm. Treatment was surgical and consisted of microsurgical excision of a tumor with dermal and intramuscular location. Histopathological analysis showed a nodular proliferation of interconnected thin-walled blood vessels, sinusoidal growth pattern and the presence of pseudopapillary structures. Immunohistochemical investigations were positive for CD31, CD34 and Ki67 index decreased, confirming the benign nature of vascular proliferation.
Corresponding author: Marius Eugen Ciurea, University Assistant, MD, PhD, e-mail: mariuseugenciurea@yahoo.com
Download PDF Sinusoidal hemangioma of the arm: case report and review of literature PDFROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY
Camelia Vidica Gurban, O. Mederle
RANKL and its decoy receptor osteoprotegerin (OPG) is a mediator system involved in bone resorption and may be responsible for the homeostatic mechanism of normal bone remodeling. The serum levels of both OPG and soluble RANKL (sRANKL), the level of RANKL in primary cultures of osteoblasts, and the bone level of Zn(2+) were measured in six women with postmenopausal osteoporosis and three women without osteoporosis (control group). As compared to control cases, patients with less than 15 years of estrogenic deprivation (cohort 1, n=3) presented increased levels of OPG (109.82%, p<0.002), sRANKL (229.13%, p<0.001) and RANKLOBL (272.35%, p<0.001), and decreased levels of Zn(2+) (67.81%, p<0.001), whereas patients with more than 15 years of estrogenic deprivation (cohort 2, n=3) showed decreased levels of OPG (70.44%, p<0.003), and Zn(2+) (61.41%, p<0.001), and increased levels of sRANKL (181.69%, p<0.002) and RANKLOBL (201.1%, p<0.002). The significantly increased levels of sRANKL and RANKLOBL in postmenopausal osteoporosis demonstrate osteoclastogenesis activation. According to the length of the estrogenic deprivation period, postmenopausal women with osteoporosis presented either increased (cohort 1) or decreased (cohort 2) OPG levels demonstrating osteoblast activation and osteoblast apoptosis stimulation, respectively. The bone levels of Zn(2+) were significantly decreased showing limited proliferation and differentiation of the osteoblasts.
Corresponding author: Ovidiu Mederle, MD, PhD, e-mail: ovidiu.mederle@gmail.com
Download PDF The OPG/RANKL system and zinc ions are promoters of bone remodeling by osteoblast proliferation in postmenopausal osteoporosis PDF
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