No abstract available.
Maxillary Sinus Neoplasms* ; Maxillary Sinus*

A 34-year-old female had an unusual case of cellular blue nevus which had behaved in a locally aggressive fashion. The lesion infiltrsted the adjacent soft tissue of left nail bed and extended into deep phalangeal bone. The involved left thumb was partially amputated because complete excision was impossible and we were quite concerned about malignant transformation. Histologically biphasic pattern without cellular atypism, a characteristic features of cellular blue nevus, was shown. About 2 years later, the lesion had not recurred.
Adult ; Female ; Humans ; Nevus, Blue* ; Thumb

158 cases of pulmonary metastasis having satisfactory histological proof of the primary malignant tumor, the frequency and pattern of which were analysed by conventional radiologically. The results are as follows: 1. The frequency of pulomonary metastasis according to the primary sites was 24%(38/158) hepatobiliary system,19.6%(31/158) gastrointestinal tract, 18.9%(30/158) uterine cervix and 12%(13/158) head and neck. 2. Pulmonary metastatic pattern showed nodular type 74% (117/158), granular type 10.1%(16/158), streaky type 9.5%(15/158),hilar enlargement 3.8%(6/158), patchy type 1.9% (3/158) and others 0.6%(1/158). Of all these type, nodular type was predominant. 3. The nodular type of pulmonary metastasis was classified into less than 10 nodules56.4%(66/17), 10-50 nodules 25.6%(30/117), more than 50, 17.9%(21/117), less than 1cm 12.8%(15/117) and more than5cm in 5.2%(1/117) of the cases. 4. The size of nodule was 1-3cm 36.6%(43/117), 2-3cm 20.5%(24/117), less than 1cm12.8%(15/117) and more than 5cm in 5.2%(1/117) of the cases. 5. Most cases of pulmonary metastasis involved bothlung fields 69.2%(110/58). Others were right lung field only 17.7% (28/158), left lung only 12.7%(20/158). 6. Theages between 40 and 70 represented 79.8%(126/158) of the cases and the raio of male and female was about 1.5:1.
Cervix Uteri ; Female ; Gastrointestinal Tract ; Head ; Humans ; Lung ; Male ; Neck ; Neoplasm Metastasis

No abstract available.

In a study of primary brain tumors 104 cases having satisfactory clinical, operative and histological proofswere analyzed by computerized tomography at Presbyterian Medical Center from May, 1982 to April, 1985. The resultswere as follows: 1. The male to female ratio of primary brain tumor was 54:46. 2.The 2nd decade group (26%) wasthe most prevalent age group, followed by the 5th decade(16.3%), 1st decade(14.4%), 3rd decade(12.5%), 4thdecade(11.5%), 6th decade(10.6%), 7th decade(8.7%) in that order. 3. The incidence of primary brain tumors was found to be: glioma 64 cases(61.6%) (among the GM, the most frequent 17 cases(16.3%), followed by meningioma 12cases (11.5%), pituitary adenoma 10 cases (9.6%), craniopharyngioma 6 cases(5.8%), pinealoma and germinoma 3cases(2.9%) respectively, and dermoid cyst 2 cases(1.9%) in that order. 4. The locations of the primary braintumors were as follows: cb. hemisphere(49%) of these 24.5% in parietal region, 11.9% in temporal region, 9.7% infrontal region, 3.0% in occipital region: Juxtasella area(16.3%), cerebellar hemisphere(8.7%), Parapineal andintraventricle(7.7%) respectively, cerebello-pontine angle area(5.8%), vermis and 4th ventricular region(4.8%). 5.There were no remarkable differences in the findings of pre-and post-contast CT scanning of primary brain tumorscompared with others.
Brain ; Brain Neoplasms ; Craniopharyngioma ; Dermoid Cyst ; Female ; Germinoma ; Glioma ; Humans ; Incidence ; Male ; Meningioma ; Occipital Lobe ; Parietal Lobe ; Pinealoma ; Pituitary Neoplasms ; Protestantism ; Temporal Lobe ; Tomography, X-Ray Computed

In a study of intacranial metastases, 46 cases having satisfactory clinical, operative and histological proofswere analyzed by computerized tomography at Presbyterian Medical Center from May, 1982 to February, 1986. Theresults were as follows: 1. The male to female ratio of itracranial metastases were 67:33. The 5th decade group(34.8%) was the most prevalent age group, followed by the 6th decade(21.7%) and 7th decade(21.7%). 2. The numberof lesions was found to be: single-25 cases(54.3%); multiple-21 cases(45.7%). 3. The source of intracranialmetastases found to be: lung 15 cases(32.6%); unknown 12 cases(26.0%); chorioca 3 cases(6.5%); liver 3cases(6.5%); liver 3 cases(6.5%); stomach 2 cases(4.3%); parotid, breast, kidney, prostate, melanoma, rectal ca.rhabdomyosarcoma, nasal ca. lymphoma, testicular ca, cervix, each 1 case(2.2%). 4. The locations of theintracranial metastases were as follows: Cerebral hemisphere 37.7% in parietal region Cerebra hemisphere 15.9% inin frontal region Cerebral hemisphere 13.4% in occipital region Cerebra hemisphere 10.5% in temporal regionCerebellar hemisphere 3.2% Cerebellopontine angle 3.2% Intraventricular 4.8% Meninges 4.8% Skull vault 6.5% 5.Peritumor edema was found to be: Grade II-17 cases(37.0%): Grade III-14 cases(30.4%); Grade I-8 cases(17.4%);Grade 0–7 cases(15.2%) in that order. 6. The chief complaints of intracranial metastases on admission, were asfollows: Headache 30 cases(65.2%); Vomiting 11 casees(23.9%); deteriorated mental state 10 cases(21.6%);Hemiplegia 7 cases(15.2%); visual disturbance 6 cases(13.0%); hemiparesis 4 cases(8.7%); seizure 4 cases(8.7%);other symptoms were less frequent. 7. On pre-contrast scan, hyperdense lesions were present in 18 cases(39.1%);hypodense lesions in 15 cases(32.6%); mixed density in 8 cases(17.4%); isodenisty was present in 5 cases(10.9%).On post-contrast scan, ring enhancement was seen in 19 cases(41.3%); nodular enhancement in 17 cases(37%); mixedring-nodular enhancement in 8 cases(17.4%); only hypodense 2 cases(4.3%).
Breast ; Cerebellopontine Angle ; Cerebrum ; Cervix Uteri ; Edema ; Female ; Headache ; Humans ; Kidney ; Liver ; Lung ; Lymphoma ; Male ; Melanoma ; Meninges ; Neoplasm Metastasis ; Occipital Lobe ; Paresis ; Parietal Lobe ; Prostate ; Protestantism ; Seizures ; Skull ; Stomach ; Vomiting

Aconite, derived from the roots of certain aconitum species (Racunculaceae), is widely distributed in Korea. Aconitine, an extremely toxic substance present in aconite, has pharmacological effects, including anti-inflammatory, analgesic, and positive inotropic actions. Due to its relatively low safe dose, we sometimes encounter cases of serious aconite intoxication. The toxic compound mainly affects the CNS, heart, and muscle tissues, resulting primarily in cardiovascular complications. Aconite poisoning presents with a combination of neurological, cardiovascular, and gastrointestinal features. The main cause of death is severe cardiotoxicity causing refractory ventricular tachyarrhythmias and asystole. As there is no specific antidote, management of aconite poisoning is supportive. All patients require close monitoring of blood pressure and cardiac rhythm since ventricular arrhythmias may occur during the first 24 hours of poisoning, resulting in sudden deterioration in the patient's clinical condition. Extracorporeal membrane oxygenation (ECMO) has traditionally been utilized for perioperative cardiac failure and cardiomyopathies. More recently, the indications for ECMO have expanded to patients with acute cardiovascular decompression including intractable arrhythmias. We report on a patient who developed life threatening ventricular tachyarrhythmia after ingestion of herbal tablets containing aconite alkaloids. Our patient was resuscitated with intravenous infusion of amiodarone, repeated cardioversion/defibrillation, and mechanical circulatory support with ECMO.
Aconitine ; Aconitum* ; Alkaloids ; Amiodarone ; Arrhythmias, Cardiac* ; Blood Pressure ; Cardiomyopathies ; Cause of Death ; Decompression ; Eating ; Extracorporeal Membrane Oxygenation* ; Heart ; Heart Arrest ; Heart Failure ; Humans ; Infusions, Intravenous ; Korea ; Poisoning ; Tablets ; Tachycardia ; Tachycardia, Ventricular

PURPOSE: The magnetic resonance(MR) appearance of 23 biopsy-proven meningiomas were retrospectively evaluated and correlated with histologic pattern ;fibroblastic, transitional, syncytial, angioblastic. MATERIALS AND METHODS: Twenty three patients with biopsy-proven meningiomas were examined with MR imaging over a 3 years period. Images were assessed for average T1, T2 intensity score(1-5), degree of edema, calcification, cyst formation or necrosis, and dural tail sign. RESULTS: Tl-weighted images showed only one significant correlation between fibroblastic type and angiobiastic type (p<0.04). Angioblastic type was more hypointense than gray matter(1.83/isointense to gray 3) on T1-weighted image. Syncytial and angioblastic tumors had average T2 intensity scores much higher than those of fibroblastic and transitional types. All three cases of angioblastic tumors had shown severe edema. Calcified lesions were much more common in transitional and fibroblastic types than in syncytial and angioblastic types. CONCLUSION: MRI is a helpful diagnostic imaging modality with good correlation between its MR findings and histologic patterns.
Diagnostic Imaging ; Edema ; Fibroblasts ; Humans ; Magnetic Resonance Imaging* ; Meningioma* ; Necrosis ; Retrospective Studies

GMH/IVH(Germinal martrix-Intraventricular hemorrhage ) is an inportant factor that influences on the mortality rate of low-birth-weight infants. The real-time high resolution sonography with a mechanical sector scanner is a convenient and useful method for the detection and follow-up study of intracranial hemorrhage in low-birth-weight infants. Authors analysed 112 cases of neurosonographic findings in low-birth-weight infants, weighing less than 2,500gm. The incidence of GMH/IVH was 54.5%. The severity of GMH/IVH was classified into 4 grades(I-IV) and their percentages were 41%, 41% 8.1%, and 9.9%, respectively. The onset of GMH/IVH was within the first week after birth in 75.4% of cases. The overall mortality rate of low-birth-weight infants with GMH/IVH was 18% (4% for grade I, 12% for grade II, 40% for grade III and 83% for grade IV). In the follow-up study of 61 cases, complete absorption was seen in 25 cases, rebleeding in 5 cases, cystic change in 24 cases, ventriculomegaly in 9 cases and hydrocephalus in 7 cases. The incidence of GMH/IVH in neonates with pathologic lung conditions was 82.5% and that with normal lung conditions was 39%. In conclusion, sonography is very useful in the diagnosis and follow-up of GMH/IVH in low-birth-weight infants. Our study is the first step in the further study of the relationship between GMH/IVH and neuromotor outcome.
Absorption ; Diagnosis ; Follow-Up Studies* ; Hemorrhage ; Humans ; Hydrocephalus ; Incidence ; Infant* ; Infant, Low Birth Weight ; Infant, Newborn ; Intracranial Hemorrhages ; Lung ; Methods ; Mortality ; Parturition

PURPOSE: To evaluate CT findings which may help differentiate benign from malignant parotid tumors. MATERIALS AND METHODS: The CT findings of seventy-one cases with surgically-proven parotid tumors were retrospectively analysed for size, location, margin, internal density, adjacent tissue plane and lymphadenopathy. RESULTS: The margin of the mass was smooth and sharp in most benign tumors (89.5%), and irregular or indistinct in twelve which were malignant (75%, p<0.01). With regard to internal density, 70.2% of benign tumors were homogeneous (similar to muscle) and 81.3% of malignant tumors were heterogeneous (p<0.01). When analysing low density patterns within the mass, focal low densities in benign tumors (11/17) and diffuse or scattered multifocal low densities in those which were maligant (8/13) were frequently seen. Three malignant tumors invaded adjacent muscles, the parapharyngeal space, and bones, each in one case, and twelve malignant and one benign tumor infiltrated the adjacent fascia or subcutaneous fat layer. In five patients with a malignant tumor, obliteration by the mass of the fat plane between the mastoid tip and styloid process was noted, suggesting facial nerve invasion, while in three cases of malignancy, lymphadenopathy greater than 1cm was seen. CONCLUSION: In differentiating malignant and benign parotid tumors, the presence of irregular or indistinct margin of the mass, and invasion of adjacent structures, are important. Lymph node enlargement greater than 1cm and diffuse internal low densities, which may suggest necrosis or cystic change were also helpful in differential diagnosis.
Diagnosis, Differential* ; Facial Nerve ; Fascia ; Humans ; Lymph Nodes ; Lymphatic Diseases ; Mastoid ; Muscles ; Necrosis ; Retrospective Studies ; Subcutaneous Fat