Role of Double-Phase Spiral CT for T Staging of Gastric Cancer: Radiologic-Pathologic Correlation

URPOSE: To evalvate the role of double-phase spiral CT for T staging of gastric cancers with radiologic-pathologic correlation. MATERIALS AND METHODS: Double-phase spiral CT images of 44 patients of gastriccancers proved by pathologic examination were retrospectively evaluated. We retrospectively classified spiral CTimages of gastric cancers ; classification was from S 0 to S 4 and was based on the degree of change in three multilayered patterns shown in normal gastric wall and whether or not tumor cells had invaded perigastric fattissue. Pathologic classification was based on the T staging of TNM classification for gastric cancers, and wethen correlated these results. RESULTS: In group S1, all of three cases(100%) were proved to be T1 and in groupS2, five(45.5%) of 11 cases were T2. Of five cases with S3 CT findings, three(60%) were proved to be T3s andtwo(40%) were T2. Of 22 cases with S4 CT findings, 19(86.4%) were T3p. Overall sensitivity, specificity, and accuracy were 60.3%, 88. 5%, and 86.9%, respectively. In 35 (79.5%) of the total of 44 cases, the lesions were more enhanced on venous than on arterial phase. CONCLUSION: The accuracy of double-phase spiral CT for T staging of gastric cancers was 86.9%, and in contrast to previous results for conventional or dynamic CT, this level of accuracy was thought to be relatively high. In conclusion, double-phase spiral CT images of gastric cancers were helpful in the diagnosis of T staging.

Clinical Study of Indirect Traumatic Rupture of the Choroid

Indirect traumatic rupture of the choroid is a common sequela of contusion of the globe. Choroid is more prone to rupture than the other ocular coats because of the greater toughness of the sclera and the greater elasticity of the retina. Initially, a choroidal rupture may be obscured by a subretinal hemorrhage caused by tearing of the choriocapillaris. Later, after the blood has resorbed, a white curvilinear streak concentric to the optic disc is seen. Ophthalmoscopically, detection may be difficult, and fluorescein angiography may be required to reveal the presence or true extent of the choroidal rupture. The authors evaluated the clinical course of 34 cases of indirect rupture of the choroid at Department of Ophthalmology, Pusan Paik Hospital Inje University from January, 1984 to April, 1988. The results were as follows: 1. The sex distribution revealed 28 male(82.4%) and 6 female(17.6%) but there was no significant difference in the laterality of affected eye. 2. The most prevalent age group was the twenties(35.3%). 3. The most common site of choroidal rupture was found in T group, which was the worst group in the final visual acuity.

A Clinical Study of 36 Cases of Retinal Artery Occlusion

Blockage of the retinal artery system may occur in the form of central retinal arterial obstruction, branch retinal arterial obstruction, or combination of aforementioned. It may be related to known pre-existing systemic disease or it may be the initial manifestation of a previous undiagnosed systemic abnormality. The authors evaluatea the clinical course of 35 cases of retinal artery occlusion at Department of Ophthalmology, Pusan Paik Hospital Inje Mgdical College from September, 1979 to June, 1988.

Surgical Repairment of 3 Cases of Blowout Fracture

Blowout fracture is a fracture of the bony orbital floor in the direction of the maxillary sinus as the result of a sudden increase of intra-orbital pressure secondry to a blow to the eye and soft tissue of the orbit from non penetrating convex objects. A common clinical manifestations of blowout fracture are enophthalmos, intra-orbital anesthesia, diplopia and mechanical limitation of ocular rotation. The early diagnosis and proper treatment of blowout fracture may prevent disability and deformity. Recently, we have repaired three cases of blowout fracture by use of the Cald-well-luc approach combined with the Subciliary incision. We report three cases of blowout fracture with a brief review of the literature.