ABSTRACT. Recently popularised, the combined angiography and CT (angio-CT) system is useful for correctly identifying the feeding arteries and their perfusion in various organs. We applied this system for advanced maxillary cancer to expose its feeding arteries and their supplying territories. In addition to the maxillary artery, extramaxillary feeding arteries were usually observed, including the ophthalmic, accessory meningeal, facial, transverse facial and ascending palatine arteries. These extramaxillary feeding arteries exhibited uniform tendencies, depending on the site of extramaxillary tumour extension. Combined therapy with radiotherapy and superselective intra-arterial chemotherapy for advanced maxillary sinus carcinoma has recently been attempted at many institutions to preserve the organ and improve prognosis [1][2][3]. Although the maxillary artery is the usual main feeder, we frequently encounter extramaxillary supplying arteries when tumours grow exophytically or invade adjacent organs. Therefore, interventional radiologists should be familiar with the imaging findings of the supplying arteries associated with maxillary cancer. In this pictorial review, we illustrate the feeding arteries (and their supplying territories) of advanced maxillary cancer using a combined angiography and CT (angio-CT) system, which provides more accurate vascular anatomy than digital subtraction angiography (DSA). Patients and techniquesFrom January 2006 to July 2008, 56 sessions of superselective transarterial chemotherapy were performed in 14 patients with advanced maxillary cancer at our institutions. The patients comprised 10 men and 4 women, ranging in age from 42 to 80 years (mean, 60 years). The clinical T factors for these patients were T3 (n54) and T4 (n510).All catheterisations were performed via a transfemoral approach, and systemic heparinisation was accomplished by intravenous administration of 3000 IU of heparin. Catheterisation of the external or internal carotid artery was performed using a 5-French standard headhunter catheter. Superselective catheterisation of external carotid branches was performed with a coaxial catheter system using a 5-French catheter and 2.2-French microcatheter (SIRABE Piolax, Yokohama, Japan). DSA and angio-CT were performed using CT with a DSA system (Infinix VC; Toshiba, Tokyo, Japan). For DSA of internal or external carotid arteries, 6 ml of non-ionic contrast material (Iopamiron300, ,300 mg iodine per mm; Bayer-Schering Pharma, Osaka, Japan) was injected at a rate of 4 ml s 21. For the branches of the external carotid artery, 2-4 ml of non-ionic contrast material was injected at a rate of 0.7-1.5 ml s 21. For the angio-CT study of the external or internal carotid arteries, 30 ml of Iopamiron-150 (,150 mg iodine per mm) was injected at a rate of 3 ml s 21. For the external carotid branches, a total 10-20 ml of contrast medium was injected at a rate of 0.8-1.5 ml s 21. Feeding arteriesThe feeding arteries are summarised in Figure 1. For all of the tumours, the maxillary artery...

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Two cases of meniscal cyst were reported in a 53-year-old female and a 49-year-old male. Total meniscectomies were carried out in both patients, and good results were obtained. Histological findings revealed cystic structures with lining epitherial cells. The incidence of meniscal cyst seems to be rare in Japan, compared to that of other countries. Clinical relevance is, however, very important in the differential diagnosis and treatment of meniscal cyst.