The rim sign in renovascular compromise may be defined as a thin nephrographic rim outlinning a kidney with another wise faint nephrogram. Renal infarction with gelform and blood clots was induced experimentally in 5 dogsand high dose IVP and CT were performed to evaluate renal cortical rim sign after renal infarction. One expireddue to anesthetic technical failure, and one was embolized partially. So we could be obtain the result on 3 dogs.The reults were as follows; 1. The high dose IVP films show cortical rim sign on 24 hrs and 72 hrs films in twodogs. The CT films show rim sign in 3 dogs. 2. The rim sign may be visualized, if the renal artery is occuludedenough to drop perfusion presssure below the authoregulatory range. 3. The high dose IVP and early nephrogramphase are necessary for the rim sign.
Animals ; Dogs ; Infarction ; Kidney ; Perfusion ; Renal Artery

OBJECTIVE: The objective of this study was to determine the relationship between the fetal doppler flow velocimetry and birth weight in low risk pregnancy population. METHODS: From December 1995 to May 1996, We prospectively performed doppler study in 254 uncomplicated, term pregnant women, who visited Pohang Hospital, Dongguk University. Using pulsed color doppler, we measured umbilical artery RI, middle cerebral artery RI and middle cerebral-umbilical artery RI ratio within one week before delivery. RESULTS: The result was that low birth weight group (below 2500gm) had very significant lationship with umbilical artery RI(P<0.01), middle cerebral artery RI(P<0.05) and middle cerebral-umbilical artery RI ratio(P<0.05), but there was no significant relationship in these blood flow indices between normal birth weight group (2501gm- 3999gm) and macrosomia group (above 4000gm). CONCLUSIONS: We concluded that application of doppler ultrasonopaphy in the assessment of fetal weight is somewhat helpful for identification of low birth weight, not for macrosomia.
Arteries ; Birth Weight ; Female ; Fetal Weight* ; Gyeongsangbuk-do ; Humans ; Infant, Low Birth Weight ; Infant, Newborn ; Middle Cerebral Artery ; Pregnancy ; Pregnant Women ; Prospective Studies ; Rheology ; Ultrasonography* ; Umbilical Arteries

No abstract available.
Bronchitis, Chronic* ; Humans

We report a case of Becker's nevus associated with smooth muscle hamartoma, in a 21-year-old male patient, which shows clinically match-head sized, flat topped, round to oval, grouped papules with hairs on the outer surface of the right arm, and microscopically reveals numerous bundles of smooth muscle fiber in the dermis.
Arm ; Dermis ; Hair ; Hamartoma* ; Humans ; Male ; Muscle, Smooth* ; Nevus* ; Young Adult

To maintain an adequate airway in a patient with tracheobronchial narrowing coming from various causes, prosthetic tracheobronchial stents provide palliative treatment for narrowed airways where surgical resection is inadvisable. After insertion, precious reported complications were granuloma formation, dysphagia, suction catheter entrapment and fatal massive hemoptysis. We report a case of complication associated with expandible metallic scent with endobronchial stenosis due to tuberculosis.
Catheters ; Constriction, Pathologic* ; Deglutition Disorders ; Granuloma ; Hemoptysis ; Humans ; Palliative Care ; Stents* ; Suction ; Tuberculosis

Actinomycosis, in which the principal causative agent in man is known to Actinomyces israelii, is a chronic, suppurative diseases characterized by extensive fibrosis, multiple abscesses, and formation of sinus tracts that drain suppurative exudates. On the basis of the anatomical sites involved; it can be subclassified into the cervicofacial form, which is the most common form, pulmonary form and abdominal form. Kidneys are rarely affected. Clinically, radiologically, and at operation it is difficult to differentiate the renal actinomycosis from renal tuberculosis and renal carcinoma. The prognosis is excellent after nephrectomy followed by appropriate antibiotic therapy. We presented a case of renal actinomycosis with a brief review of the literatures.
Male ; Humans

The goal of surgical stone management is to achieve maximal stone clearance with minimal morbidity to the patient. Because of its efficacy, efficiency and low morbidity, extracorporeal shock wave lithotripsy(ESWL) is the first-line treatment for almost all urinary calculi. However, stone clearance after ESWL has been shown to be affected by the stone burden, location, chemical composition and kidney anatomy. Especially, the success rate for ESWL is reduced in lower pole stone(LPS). Percutaneous nephrolithotomy(PNL) and retrograde ureteroscopic intrarenal surgery(RIRS) are alternative treatment options for stones refractory to ESWL such as LPS. Although effective, PNLsubjects the patient to increased morbidity compared to ESWL and RIRS. Because of its low morbidity and relatively high success rate, RIRS for LPS is an attractive treatment modality in selective patients. We report a case of multiple renal pelvis and lower calyceal stones treated with ureteroscopy.
Humans ; Kidney ; Kidney Calculi ; Kidney Pelvis* ; Shock ; Ureteroscopy ; Urinary Calculi

BACKGROUND: A number of reports have stressed the usefulness of cell kinetic estimations as an aid in the prognostic and diagnostic classification of malignant lymphoma. But very limited information is available concerning cell cycle distirbutions in cutaneous lymphoid infiltrate, although a number of these conditions present tremendous problems in diagnosis and management. OBJECTIVE: The purpose of this study is to evaluate the proliferative activities in various cutaneous lymphoid infiltrates and its usefulness in diagnosis or foretelling a prognosis. METHODS: Fifty two arehival biopsy specimens were studies. These included cases of peripheral T-cell lymphoma, lichen planus, lupus erythematosus, polymorphous light eruptions, and pseudolymphomas such as insect bite, lymphomatoid papulosis, and other lymphocytoma cutis. Ki-67 was identified by immunoperoxidase technique using MIB1, a monoclonal antibody that recognizes a fixation and embedding resistant epitope on the Ki-67 protein. RESULTS: Higher Ki-67 positive rates were observed in high grade angiocentric T-cell lymphomas, which was helpful in differentiating from benign disease. In two cases of lymphomas which Ki-67 positive rate were more than 80 percent despite of minimal lymphoid infiltrate in skin biopsy specimen, evaluation of Ki-67 expression was profoundly helpful in diagnosing them as malignancies. CONCLUSION: Use of this technique was useful in evaluation of proliferative activity of cutaneous lymphoid infiltrate. In some cases, use of this technique may aid us in differential diagnosis of malignant lymphoma from benign chronic inflammatory disease of the skin.
Biopsy ; Cell Cycle ; Classification ; Diagnosis ; Diagnosis, Differential ; Immunoenzyme Techniques ; Insect Bites and Stings ; Lichen Planus ; Lymphoma ; Lymphoma, T-Cell ; Lymphoma, T-Cell, Peripheral ; Lymphomatoid Papulosis ; Prognosis ; Pseudolymphoma ; Skin

BACKGROUND: A number of reports have stressed the usefulness of cell kinetic estimations as an aid in the prognostic and diagnostic classification of malignant lymphoma. But very limited information is available concerning cell cycle distirbutions in cutaneous lymphoid infiltrate, although a number of these conditions present tremendous problems in diagnosis and management. OBJECTIVE: The purpose of this study is to evaluate the proliferative activities in various cutaneous lymphoid infiltrates and its usefulness in diagnosis or foretelling a prognosis. METHODS: Fifty two arehival biopsy specimens were studies. These included cases of peripheral T-cell lymphoma, lichen planus, lupus erythematosus, polymorphous light eruptions, and pseudolymphomas such as insect bite, lymphomatoid papulosis, and other lymphocytoma cutis. Ki-67 was identified by immunoperoxidase technique using MIB1, a monoclonal antibody that recognizes a fixation and embedding resistant epitope on the Ki-67 protein. RESULTS: Higher Ki-67 positive rates were observed in high grade angiocentric T-cell lymphomas, which was helpful in differentiating from benign disease. In two cases of lymphomas which Ki-67 positive rate were more than 80 percent despite of minimal lymphoid infiltrate in skin biopsy specimen, evaluation of Ki-67 expression was profoundly helpful in diagnosing them as malignancies. CONCLUSION: Use of this technique was useful in evaluation of proliferative activity of cutaneous lymphoid infiltrate. In some cases, use of this technique may aid us in differential diagnosis of malignant lymphoma from benign chronic inflammatory disease of the skin.
Biopsy ; Cell Cycle ; Classification ; Diagnosis ; Diagnosis, Differential ; Immunoenzyme Techniques ; Insect Bites and Stings ; Lichen Planus ; Lymphoma ; Lymphoma, T-Cell ; Lymphoma, T-Cell, Peripheral ; Lymphomatoid Papulosis ; Prognosis ; Pseudolymphoma ; Skin

No abstract available.
Radiation Oncology*