منابع مشابه
Primitive Neuroectodermal Tumor of the Kidney
Primitive neuroectodermal tumor (PENETs) is an uncommon malignancy of bone and soft tissue witch rarely occurs in the kidney. In more than 90% of the cases, the tumor cells relieves a balanced translocation (11; 22) (q24; q12). Immunohistochemical staining may be required for diagnosis of PENET. The cells of tumor express CD99, vimentin, NSE, FL1 but do not express Ck, LCA, myogenin, and WT1. W...
متن کاملPeripheral Primitive Neuroectodermal Tumor of the Pelvis
The primitive neuroectodermal tumor (PNET) belongs to a group of highly malignant tumors and is composed of small round cells of a neuroectodermal origin. Categorized in the same tumor family as Ewing sarcoma, the PNET is most likely to occur in bones and soft tissues. However, a small number of PNET cases arising in the pelvis have been reported as well. We present three cases of pelvic PNET: ...
متن کاملA Persistent Primitive Hypoglossal Artery As the Sole Supply to the Brain Associated with a Basilar Bifurcation Aneurysm
The persistent primitive hypoglossal artery (PPHA) is the second most common persistent carotid-vertebrobasilar anastomosis, with an incidence of 0.027-0.26%. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies, but basilar bifurcation aneurysms were rarely reported. We describe the first case of a PPHA as the sole s...
متن کاملCongenital Primitive Neuroectodermal Tumor (PNET) of the Orbit
Purpose: To report a case of the congenital primitive neuroectodermal tumor (PNET) of the orbit. Case Report: The patient was a 2-week-old neonate referred to the oculoplastic clinic with right eye proptosis from birth. The neonate was a full term with a history of difficult vaginal delivery. At an initial examination, the ecchymosis of the medial right upper lid was noted. At an initial CT sca...
متن کاملSituated normative infrastructures: the normative object approach
Norms have been considered an attractive means for the regulation of the dynamics of multi systems (MAS). Typically, it is left for the individual agents to apply (general) norms to the particular concrete situations that arise during the operation of the system. This paper summarises our work on situated normative infrastructures for multi-agent systems, which aim to facilitate the operational...
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ژورنال
عنوان ژورنال: The Philosophical Quarterly
سال: 2012
ISSN: 0031-8094
DOI: 10.1111/j.1467-9213.2012.00075.x