The authors experienced a case of gastroduodenojejunal trichobezoar detected by ultrasongraphic examination. We thought that tricholbezoar had relatively specific ultrasonographic findings such as a broad hyperechogenic superficial bandlike rim with a complete posteior sonic shadowing and multiple linear echogenic strands on its surface representing hairs, which were better seen after water ingestion. So we were able to get the correct diagnosis of trichobezoar prior to conventional barium studies in a patient who could not be suspected suspected clinically.
Barium ; Bezoars* ; Diagnosis ; Eating ; Hair ; Humans ; Shadowing (Histology) ; Ultrasonography* ; Water

No abstract available.
Humans

The mesoblastic nephroma is a rare benign renal tumor that frequently appears as a neonatal abdominal mass. This benign tumor is composed primarily of connective tissue that growth between intact nephrons and often replaces most of the renal parenchyme. Contrast media within the calyceal systems are seen within the tumor representing function by nephrons trapped within the mass. Prognosis after complete excision is excellent.
Connective Tissue ; Contrast Media ; Nephroma, Mesoblastic* ; Nephrons ; Prognosis

No abstract available.
Breast* ; Hamartoma*

Accessory breast is an ectopic breast tissue from developemental remnants. It sometimes begins to make symptoms, pain and swelling, during premenstrual period or pregnancy. For it has been known as a rere condition, it has occasionally misdiagnosed as a abnormal mass, such as lymphadenitis or hidradenitis. We have analyzed 52 accessory breast tissues prospectively, to document the characteristic findings of accessory breast. In summary, the characteristic sonographic findings of accessory breast were the presence of breast tissue superficial to the axillary fascia or underlying fascia if not in axilla, resembling the patient's own breast pattern, the presence of converging appearance of dilated ducts, presence of nipple and/or areola, the obliteration of inner wall of dermis, the obliteration of sucutaneous fat layer, and the downward displacement of axillary fascia or underlying fascia if not in axilla wighout interruption.
Axilla ; Breast* ; Dermis ; Fascia ; Hidradenitis ; Lymphadenitis ; Nipples ; Pregnancy ; Prospective Studies ; Ultrasonography

No abstract available.
Emergencies* ; Humans ; Prospective Studies*

It is well known that the medullary carcinoma of the breast is one of the special types of breast carcinoma with a good prognosis. At present, the medullary carcinoma of the breast is subclassified into 3 types: typical medullary, atypical medullary and nonmedullary carcinoma. Among them, the former has the best prognosis. We reviewed the film mammographic and ultrasonomammographic findings of 13 patients according to the reevaluated histopathologic diagnosis. Typical medullary carcinoma shows a well circumscribed mass with surrounding halo on film mammogram, and well defined mass with central intermediate echogenicity and peripheral low echogenicity and posterior acoustic enhancement on ultrasonomammogram. Atypical medullary carcinoma shows relatively well circumscribed mass with partial marginal obliteration on film mammogram, and irregular bordered mass with inhomogeneous echogenicity due to focal necrosis in the mass and associated findings of thick boundary, asymetrical lateral shadowing on ultrasonomammogram. Nonmedullary carcinoma shows lobulated mass with surrounding parenchymal distortion and skin thickening on film mammogram, and relatively well defined lobulating mass with surrounding parenchymal distortion and marked heterogeneous internal echogenicity on ultrasonomammogram. Therefore, differentiation between typical medullary carcinoma with good prognosis and atypical medulary or nonmedullary carcinoma with poor prognosis, may be possible by various diagnostic imaging modalities preoperatively. But further collective study shall be needed in near future.
Acoustics ; Breast Neoplasms ; Breast* ; Carcinoma, Medullary* ; Classification* ; Diagnosis ; Diagnostic Imaging ; Humans ; Necrosis ; Prognosis ; Shadowing (Histology) ; Skin

A case of multiple hamartomas of the unilateral chest wall in a four month old infant is presented. There have been a few reports on the CT findings of the chest wall hamartoma in infancy. We describe bone changes of the ribs and mineralization of this rare tumor on the CT scan, and the locations of two separate masses.
Hamartoma ; Humans ; Infant ; Miners ; Ribs ; Thoracic Wall* ; Thorax* ; Tomography, X-Ray Computed

No abstract available.
Endodermal Sinus Tumor* ; Lung* ; Neoplasm Metastasis* ; Yolk Sac*

When the tumor is advanced with distant metastasis or unresectable initially, preoperative chemotherapy could be applied in the treatment of Wilms' tumor We experienced 6 cases of favorable type of Wilms' tumor, 1 case of clear cell sarcoma and 1 case of renal cell carcinoma. They were treated with preoperative chemotherapy and underwent CT Scans before and after the therapy. Pathologic changes after chemotherapy in Wilms' tumor were known from previous reports as subtotal hemorrhagic necrosis, cystic change, clusters of foamy histiocytes, granulation tissue formation, primitive nephrogenic tissues and peripherally remained focal areas of blastemal infiltration. Changes of CT findings after chemotherapy were internal necrosis(6/6), decrease in size(5/6), decrease and absence of regional lymph node enlargement(4/6) and improved or disappeared metastatic lesions(3/3). Although our study had some limitations such as small numbers of cases and all cases were favorable types, we thought that there were good correlations between change of CT findings and subtotal hemorrhagic necrosis after preoperative chemotherapy in Wilms' tumor.
Carcinoma, Renal Cell ; Drug Therapy* ; Granulation Tissue ; Histiocytes ; Lymph Nodes ; Necrosis ; Neoplasm Metastasis ; Sarcoma, Clear Cell ; Tomography, X-Ray Computed ; Wilms Tumor