No abstract available.
Epithelium*

No abstract available.
Epithelium*

No abstract available.
Cholesteatoma* ; Epithelium*

The corneal rust ring is made artificaily by anexperimental method on the rabbit and the fate of the rust ring is observed by SEM for the interval of 1 week to 3 months. Because of the shortness of the observation period, the complete natural process of removal of the corneal rust ring can not be fully explained. But several interesting results can be obtained by this experiment. The implanted iron particles are falled off by the natural healng course without articial removal in three weeks. The rust ring can be detected on the corneal epithelium 21 days after implantation and continued until 3 months and moreover, by the SEM examination. Many PMNs and macrophages are present in the vicinity of the rust ring until 35 days and decrease gradually thereafter. The presence of these inflammatory cells reveals that these inflammatory cells reveals that these cells can take part in the process of the removal of the iron rust rings formed on the superficial eornea.
Epithelium, Corneal ; Iron ; Macrophages

To investigate the involvement of expression of the Fragile Histidine Triad(FH1T) gene product in the process of carcinogenesis and progression in cervical carcinoma, we examined its expression by immunohistochemical method in 15 cervical invasive carcinomas, 10 low grade cervical intraepithelial neoplasias(CINs) and 30 high grade CINs(CMI and III). We detected expression of FHIT gene product in 4 of 15(27%) of invasive carcinomas, 3 of 10(30%) low grade CIN and 7 of 30(23%) of high grade CIN, while we detected expression of FHIT gene product in 28 of 45(62%) normal and metaplastic epithelium near the tumor. Thesc data indicate that loss of expression of FH1T gene product has some role in the early tumorigenesis of uterine cervical carcinoma, but not the consequence of the pregression of the tumor.
Carcinogenesis ; Epithelium ; Histidine* ; Immunohistochemistry

An unusual case of glioependymal cyst radiographically simulating arachnoid cyst is reported. The cyst wall contained not only ependyma-like epithelium but also neuroglial tissue. The possible pathogenesis of this lesion is discussed.
Arachnoid ; Epithelium ; Fourth Ventricle

Pyelo-caliceal diverticulum refers to a cystic cavity containing urine the renal parenchyme, which is lined by transitional epithelium and communicates with the renal pelvis or a calyx through a narrow channel. Pyelo-caliceal diverticulum is a relatively uncommon entity and are usually quite small in size, averaging 0.5 cm to 5cm. Huge pyelo-caliceal diverticulum is presented with review of literatures.
Diverticulum* ; Epithelium ; Kidney Pelvis

Congenital prepubic sinus(CPS) is an extremely rare congenital anomaly of the external genitalia of uncertain etiology. Herein, a case of CPS, where immunohistochemical staining was performed to elucidate the etiology of the sinus, is reported. The results of the immunohistochemical study demonstrated the lining epithelium was transitional proximally and squamous distally. These findings suggest that CPS is a variant form of dorsal urethral duplication.
Epithelium ; Genitalia ; Immunohistochemistry ; Urethra

Primary papillary serous carcinoma of the peritoneum(PPSCP) is vere rare. It has been suggested that PPSCP derives from embryonal coelomic epithelium with m llerian ducts potential. PPSCP can develop from a single or multicentric focus. The clinical and histologic disease entities are similar to those of primary papillary serous carcinoma of the ovary, but PPSCP involves the ovarian surface only minimally(microscopic disease) or spares the ovaries entirely. We have experienced a case of primary papillary serous carcinoma of the peritoneum and report this case with brief review of the concerned literature.
Epithelium ; Female ; Ovary ; Peritoneum*

Pyelocaliceal diverticula are eventuations of the upper collecting system, lying within the renal parenchyma and communicating with the main collecting system via a narrow channel. They are smooth-walled and are lined by transitional cell epithelium. Their lining is nonsecretory but they contain urine derived by passive filling from the adjacent collecting system. The vast majority of these lesions are small, measuring below 1cm in diameter. A pyelocaliceal diverticulum containing multiple sandy stones is presented with review of literature.
Deception ; Diverticulum* ; Epithelium