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Year 2004

JN : J Med Assoc Thai. 2004 Sep;87 Suppl 2:S179-84.
TI : Abnormal findings in breast imaging: a hospital-based survey in 4264 Thai women.
AU : Pak-art P, Bunjunwetwat D, Vajragupta L, Amornrattanapaijit W, Vajarapongse K, Sampatanukul P, Chatamra K.
EN-AB: OBJECTIVE: To evaluate the distributions of common and significant imaging findings from breast imagings at King Chulalongkorn Memorial Hospitals. MATERIAL AND METHOD: Data was collected from every mammography performed from November 1, 2001 to October 31, 2002. The reports were analyzed and imaging findings were recorded. The ACR BI-RADS category was applied to all cases. RESULTS: There were 4264 patients and all of them were female. The age range was between 19-90 years and average age was 50.1 years. The most common positive findings were cysts (39.22%), followed by focal lesions (14.76%), mass (8.69%), architectural distortion (7.83%), calcification (7.36%) and thick ducts (3.76%). According to ACR BI-RADS, most of the studies were in category 2 (42.59%), followed by category 1 (38.67%), category 3 (12.08%) category 5 (3.45%), category 4 (3.12%) and category 0 (0.09%). CONCLUSION: Breast imaging is the standard screening tool for breast cancer and can reveal different kinds of findings. Knowing the distribution of these findings helps both the radiologists to understand the scope of their work and the institution to audit their practice. (NO 16083184)

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Year 1999

AU : Boonjunwetwat D, Vajarapongse K, Keeratikasikorn W, Sampatanukul P.
TI : Occult breast carcinoma presenting with axillary metastases (A case report with literature reviews).
JN : The Asian Journal of Radiology 1999 Jan-Apr ; 1 : 19-26 (NO 05630)

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Year 1998

AU : Pantongrag-Brown L, Vajarapongse K.
TI : Imaging of cirrhosis and portal hypertnesion.
JN : Chula Med J 1998; 42:207-217
EN-AB: not available (NO 1)

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Year 1997

AU : Sampatanukul P, Mikuz G, Israsena S, Vajarapongse K, Feichtinger H.
TI : Cytomorphologic and DNA cytometric features of hepatocellular carcinoma in fine needle aspirates..
JN : Acta Cytologica 1997 ; 41 (2) : 435-42
EN-AB: OBJECTIVE: To classify hepatocellular carcinoma according to DNA ploidy patterns and to evaluate distinct cytomorphologic features of hepatocellular carcinoma that correlate with DNA ploidy patterns. STUDY DESIGN: Fine needle aspiration smears of 36 histologically proven hepatocellular carcinomas were performed for DNA measurement by image analysis after Feulgen restaining of the specimens. Nuclear features-prominent nucleoli, nuclear cleavage, nuclear area and nuclear/cytoplasmic ratio-were correlated with the DNA ploidy patterns. RESULTS: Of the 36 cases, 14 were either diploid (n = 7) or polyploid (n = 7), 19 tumors had a single aneuploid stemline, 2 cases had multiple stemlines, and 1 case had no discernible stemline. A preponderance of prominent nucleoli was seen in 7/7 diploid tumors (2c), 6/7 polyploid tumors (4c, 8c) and 6/8 aneuploid tumors ( 4c). Conspicuous nuclear cleavage in a high number of tumor cells was present substantially in tumors with large nuclear areas (4c, 4c). CONCLUSION: Most hepatocellular carcinoma studied had a distinct stemline so that the tumors could be designated DNA diploid, polyploid or aneuploid. The prevalence of prominent nucleoli and nuclear cleavage was a distinguishing cytologic feature that could predict DNA ploidy patterns. No special association of the nuclear/cytoplasmic ratio with any of the ploidy groups was noted. (NO 02811)

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Year 1994

AU : Kasantikul V, Maneesri S, Sriwatana S, Vajarapongse K.
TI : Congenital hemihypertrophy with adrenocortical adenoma.
JN : J Med Assoc Thai 1994 ; 77 (11) : 612-616
EN-AB: A rare case of adrenocortical adenoma in a 7-month-old female infant with congenital hemihypertrophy of left leg is described. Only 7 similar cases including the present one, are on record. The patients ranged in age from 7 weeks to 45 years. The male : female ratio was 3 : 4. The adrenal tumors were often detected after CH had become evident. Large functional tumors often produced symptoms of hirsutism, virilization, and precocious puberty. CT and ultrasound are necessary for detection and prompt treatment. (NO 02550)

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Year 1993

AU : Vajragupta L, Vasuratna B, Vajarapongse K, Boonjunwetwat D.
TI : Ultrasonographic findings of pancreatic carcinoma.
JN : Chulalongkorn Medical Journal 1993 ; 37 (10) : 609-618
EN-AB: The ultrasound examinations of 43 patients with proven adenocarcinoma of pancreas were reviewed. Pancreatic masses were detected in 33 patients. Pancreatic duct and biliary tract obstruction were seen in 20 and 33 patients respectively. Liver metastasis were identified in 10 patients and missed in10, while regional lymphadenopathy were detected in 14 and missed in 12. Each of portal vein involvement, psoas muscle metastasis and ascites were seen. There was one patient whose ultrasound study was normal. The accuracy rate was 76.7 per cent. The usefulness of ultrasonography as the primary and effective method of investigation is discussed. (NO 02795)

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Year 1992

AU : จาตุรนต์ ตันติวัตนะ, เกษร วัชรพงศ์.
TI : แมมโมกราฟฟี่ : การตรวจเต้านมด้วยภาพถ่ายรังสี (บทบรรณาธิการ)
JN : Chula Med J = จุฬาลงกรณ์เวชสารChulalongkorn Medical Journal 1992 Nov ; 36 (11) : 817-820 (NO 05118)

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Year 1991

AU : Yenrudi S, Kasantikul V, Vajarapongse R, Rojsatapong S, Vajarapongse K.
TI : Renal oncocytoma.
JN : Chulalongkorn Medical Journal 1991 ; 35 (6) : 387-393
EN-AB: The first case of renal oncocytoma observed in the Department of Surgery, Chulalongkorn Hospital, is described in a 35-year-old woman who presented with hematuria and a long history of palpable abdominal mass. An excretory urogram showed poor excretory function of the left kidney and a tumor at the lower pole. An ultrasonogram and CT scan also disclosed a well- marginated lesion in the same region. Upon surgery, a mahogany-colored cut surface and abundant granular cytoplasm were observed. These were the pathological characteristics of the lesion. The nature of the tumor cells was verified by immunohistochemical and electron microscopic findings. (NO 02685)

AU : Vajarpongse K, Bunjunwetwat D, Kaengsurakran S, Vajragupta L.
TI : CT scan and ultrasonic characteristie imaging of renal cell carcinoma.
JN : จุฬาลงกรณ์เวชสาร = Chulalongkorn Medical Journal 1991 ; 35 (10) : 651-661
EN-AB: The computerized tomographic (CT) and ultrasonographic (US) findings of 10 cases of renal cell carcinoma were reviewed. US was performed in nine patients (1O tumors); most of the findings (6 out of 10) were of a mass with complex echoes of mixed solid and cystic components. Three tumors were cystic in form, showing the characteristic appearance of a thick-walled cyst with echoic septation and growth projection containing internal bright echoes. Only one case showed multiple hyperechoic masses in the same kidney. CT was performed in eight patients (9 tumors). Characteristic findings were well-defined masses of mixed density. Six out of the nine tumors were mainly slightly more hyperdense than normal renal parenchyma on plain CT, showing patchy enhancement of a less than normally enhanced renal cortex. The other three cases were well-defined, thick- walled cysts, with septation and peripheral rim enhancement. All tumors were intrarenal masses, except one retroperitoneal mass which occurred following a previous nephrectomy for renal cell carcinoma of the left kidney. All involved kidneys preserved their excretory function. Only one case showed calcification in both the US and CT images. (NO 02693)

AU : Vajarapongse K.
TI : การถ่ายภาพด้วยเครื่องอัลตราซาวน์ชนิดสี (บทบรรณาธิการ)
JN : จุฬาลงกรณ์เวชสาร = Chula Med JChulalongkorn Medical Journal 1991 Oct ; 35 (10) : 621-623
TH-AB: เครื่องอัลตราซาวนด์ชนิดสี (color doppler ultrasound) เป็นเครื่องมือชนิดเดียวในโลกในปัจจุบันที่สามารถแสดงภาพ ของหลอดเลือดตลอดจนการหมุนเวียนของโลหิต (hemodynamic) โดยไม่ต้องฉีดสารทึบแสงหรือสารกัมมันตรังสีเข้าไปในหลอ ดเลือด ผู้ป่วยไม่ต้องเสี่ยงต่อการแพ้ต่อสารทึบแสงและปราศจากอันตรายจ ากรังสี จึงใช้ตรวจได้กับผู้ป่วยทุกวัย รวมทั้งสตรีมีครรภ์ แม้ว่าการ ตรวจบางอย่างอาจต้องใช้ตรวจร่วมกับการตรวจอย่างอื่นด้วยเพื่อให้ได้กา รวินิจฉัยที่แน่นอน แต่จะช่วยลดการตรวจหลอดเลือดโดยวิธี angiography หรือ venography ได้เป็นอย่างมาก ถ้าเครื่องมือที่ใช้มีประสิทธิภาพดี เครื ่องอัลตราซาวนด์ชนิดสีที่ใช้ตรวจหลอดเลือดมีคอมพิวเตอร์สีซึ่งต่างจาก เครื่องที่ใช้ตรวจหัวใจ เนื่องจากหลอดเลือดมีขนาดเล็กและการไหลเวียนข องโลหิตในหลอดเลือดช้ากว่าในหัวใจมาก จำเป็นต้องเป็นเครื่องที่มีความ ไวสูง และมี resolution ดี จึงจะให้ผลแม่นยำในการตรวจเป็นการเพิ่มประสิทธิภาพแก่แ พทย์สาขาต่าง ๆ ในการวินิจฉัยโรคและนำไปสู่การให้การรักษาที่ถูกต้องแ ละรวดเร็ว. (NO 04553)

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Year 1990

AU : Kasantikul V, Vajarapongse K, Vajarapongse R.
TI : Myelolipoma of the adrenal gland.
JN : J Med Assoc Thai 1990 Aug ; 73 (8) : 467-471
EN-AB: A case of adrenal myelolipoma in a 43-year-old woman was incidentally discovered during the investigation of chronic diarrhea due to Giardia lamblia. This tumor can be preoperatively diagnosed by its characteristic appearance on nephrotomogram, ultrasonography, and computerized tomography. (NO 02443)

AU : Boonjunwetwat D, Treretanakulwongs J, Chomdej S, Vajarapongse K, Vajragupta L.
TI : The sonographic features of the retroperitoneal masses in infants and children.
JN : Chula Med J = จุฬาลงกรณ์เวชสารChulalongkorn Medical Journal 1990 Sep ; 34 (9) : 691-704
EN-AB: Sonograms of 23 infants and children with retroperitoneal mass were re rospectively reviewed, including 14 Wilms' tumors, 4 neuroblastomas, 3 teratomas and 2 lymphomas. The following sonographic criteria : size, location, internal echo pattern, anechoic areas, margination and the presence of hepatic metastasis were evaluated separately in each entity of disease. Most of the sonographic features of Wilms' tumor were large-sized, sharply marginated and echogenically heterogeneous with anechoic areas located at the kidney. In all cases of neuroblastomas, the mass was an inhomogeneously echoic solid mass of extra-renal origin; the presence of tumor calcification and hepatic metastases were presented in three of four cases. Three cases of teratomas showed the sonographic characteristics as a large, well-defined complex mass containing solid and cystic components with calcification. In two cases of non-Hodgkin's lymphoma; one with mass at the paraaortic area showed multiple, lobulated, low echoic masses representing lymph node enlargement. The other mass primarily arising from the cecum showed a target lesion. The spectrum of sonographic features of these retroperitoneal masses and the diagnostic value of sonography are discussed. (NO 04942)

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Year 1989

AU : Suvanapha R, Vajarapongse R, Sriwatanawongsa V, Vajarapongse K, Chusilp S, Laorpatanaskul S, Kitisin P, Mullikamas S, Boonvisut S, Panmuong W, Sitprija V.
TI : Monoclonal antibody (OKT3) rescue in refractory acute renal allograft rejection : report of 3 cases.
JN : J Med Assoc Thai 1989 Dec ; 72 (12) : 708-713
EN-AB: We report the first experience in Thailand with the use of OKT3 (monoclonal anti T lymphocytes antibody) in rescuing an acute rejection unresponsive to methylprednisolone pulses in 3 cadaveric renal transplant patients. The treatment regimen was 10 daily 5 mg intravenous injections of OKT3. In the first and second patients OKT3 was started on days 26 and 18 of the rejection episode. In the third one OKT3 was given when he became anuric secondary to severe acute rejection. Within 24 hours of the therapy, urine flow increased. A brisk diuresis and a decline in serum creatinine started within 4 days. The kidney function returned to normal within the 10-day course of therapy. Side effects were fever, conjunctivitis, stuffiness of nose and herpes infection (NO 01846)

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Year 1988

AU : Suwanwela N, Lertlum S, Phanuphak P, Hanvanich M, Jimarkorn P, Vajarapongse K, Chomdej S, Vajaragupta L, Hemachudha T, Locharernkul C.
TI : Radiologic aspects of AIDS in Thailand.
JN : Chula Med J 1988 Jan ; 32 (1) : 43-58
EN-AB: An increasing number of patients with acquired immunodeficiency syndrome (AIDS) has been reported in Thailand. Radiologic findings including CT scan and ultrasonographic findings were studied in 7 out of a total of 11 AIDS patients from November 1984 to August 1987. Chest x-ray films were abnormal in all cases of which 4 were proven to be pneumocystis carinii pneumonia, 2 to be tuberculosis and one of no definite diagnosis. Radiologic features of pneumocystis carinii pneumonia were bilateral perihilar, basilar, diffuse reticulonodular infiltration, consolidation and atypical upper lobe infiltration. In tuberculosis, upper lobe infiltration and mediastinal node enlargement were seen. Diffuse mucosal plaques, irregular enlarged folds and ulceration were demonstrated in upper gastro-intertinal tract studies in three patients with Candida esophagitis. Evidences of cholecystitis in both CT scan and ultrasonography were seen in a patient with jaundice. He also had hypoechoice lesions in the liver, spleen and kidneys which later disappeared. On CT scan, two patients had evidences of mild degrees of cerebral atrophy. Another patient with AIDS-related complex (ARC) showed evidences of retroperitoneal node enlargements on CT scan and ultrasonography. Inhomogeneous density of cervical spinal cord and evidences of brain atrophy in this patient were also demonstrated on CT scan. (NO 01551)

AU : Sriwatanawongsa V, Sangsubhan C, Tanprayoon T, Borirakchanyavat V, Kyokong O, Vajarapongse K, Nivatvongs S, Puttisri A, Dhitavat V, Sriassadaporn S, Suwangool P, Niruthisard S, Minaphinant K, Auwattanamongkol S, Rajatapiti B.
TI : The first human orthotopic liver transplant in Thailand: a case report.
JN : Chula Med J 1988 May ; 32 (5) : 463-468
EN-AB: On November 28, 1987, the first successful human liver transplantation in Thailand was performed at Chulalongkorn Hospital. The recipient was a 63-year-old patient suffering from a large hepatocellular carcinoma of the right liver lobe associated with posthepatitic cirrhosis. His blood group was AB, RH+. The liver allograft was harvested from a cadaveric donor whose blood group was B, Rh+. The operation took 5 hours and required 4 units of blood transfusion. Postoperative recovery was satisfactory with good graft function. He was discharged from the hospital after 33 days and was doing well at the last followup, 6 weeks after surgery. (NO 01568)

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Year 1987

AU : Vajarapongse K, Boonjunwetwat D, Taecholarn C, Khaoroptham S, Vajragupta L, Chayapum P.
TI : Value of ultrasonography in the evaluation of spinal dysraphism.
JN : Chula Med J 1987 Jan ; 31 (1) : 35-46
EN-AB: Ultrasonograms of eleven children with the clinical diagnosis of spinal dysraphism were retrospectively analysed. The study was correlated with clincal, operative and pathological findings. The spinal abnormalities demonstrated by ultrasound included spina bifida in 10 cases, lipomyelomeningocele in 6, myelomeningocele in 2, meningocele in one, dermoid in one, and epidermoid cyst with hydromyelia in one. The case of dermoid tumor was misdiagnosed by ultrasound to be lipoma and the case of epidermoid cyst with hydromyelia was misdiagnosed as lipomyelomeningocele. in addition, the other abnormalities demonstrated by ultrasound were neurogenic bladder with bilateral hydronephrosis in two cases and severe hydrocephalus in one. it is concluded that ultrasound examination should be used as an initial diagnostic modality for the evaluation of infants and children with minimal cutaneous stigmata or clinical signs of spinal dysraphism. However ultrasonography has a limited use, and computed tomography is generally accepted as the preferable method of examination in older children with intact bony spinal canal and in doubtful cases. (NO 00426)

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Year 1986

AU : Vajarapongse K, Boonjunwetwat D, Vajragupta L, Tanphiphat C.
TI : Ultrasonographic evaluation of the single thyroid nodule.
JN : J Otolaryngol Head Neck Surg (Thai) 1986 Jul ; 1 (2) : 67-81
EN-AB: Ninety four patients with single thyroid nodule were examined by ultrasound at Chulalongkorn Hospital from January 1981 to December 1983. Ultrasonographic characteristics of the thyroid nodules were correlated with the pathology after excisional surgery. Of the 94 nodules, there were 55 adenomas, 23 adenomatous goiters, 12 carcinomas and four cysts. The ultrasonographic patterns of the 55 adenomas showed 32 (58.2 per cent) solid, six (30.9 per cent) complex nodules. The presence of peripheral sonolucent zone(halo) surrounding the thyroid mass was observed in 39 (70.9 per cent) adenomas. Of the 23 adenomatous goiters, ultrasound showed five (21.7 per cent) solid, four (17.4 per cent) cystic, eight (34.8 per cent) multinodular goiters and six (26.1 per cent) complex nodules. One complex nodule was partially calcified. The halo sign was found in 11 (47.8 per cent) nodules. The ultrasonographic patterns of 12 carcinomas were five (41.7 per cent) solid, six (50 per cent) complex and one (8.3 per cent) thick walled cystic nodule. The halo sign was present in three (25 per cent) nodules. (NO 00150)

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Year 1985

AU : Vajragupta L, Vajarapongse K, Vajarapongse R.
TI : Ultrasonographic evaluation of adrenal masses.
JN : Chula Med J 1985 Dec ; 29 (12) : 1313-1327
EN-AB: Ultrasonograms of 30 patients in 1982-1984 with suspected adrenal masses of various clinical diagnoses were retrospectively evaluated. The final diagnoses were proved by surgery, histology, laboratory tests and other radiological means. The most common adrenal mass was pheochromocytoma which were larger than 3 cm. Cortical adenomas were smaller than 2 cm. The echogenic appearances of pheochromocytoma and adenoma were mostly well defined masses with homogeneous low echogenicity. The ultrasonographic features of a large tumor with necrosis, hemorrhage or cystic degeneration were inhomogeneous low echogenic masses. The typical ultrasonographic pattern of the adrenal cyst was a thin wall echofree mass with high through transmission. We were able to make correct diagnosis of normal and abnormal adrenal glands upto 90 per cent. Ultrasonography is an excellent screening method for evaluating the adrenal gland when a mass is suspected and will yield information about the internal consistency of a lesion. (NO 00427)

AU : Tanphiphat C, Rajatapiti B, Vajrabukka T, Sukonthaman Y, Tanprayoon T, Na-thalang A, Vajarapongse K, Jimarkorn P.
TI : Ultrasound and aspiration cytology or needle biopsy in the diagnosis of single thyroid nodule.
JN : Chula Med J 1985 Jul ; 29 (7) : 799-806
EN-AB: A prospective study was carried out in 116 patients with clinically diagnosed single thyroid nodule to evaluate the diagnostic accuracy of ultrasound and aspiration cytology or needle biopsy. All patients had an operation for the final pathological diagnosis. Carcinoma was found in 8 per cent of patients. Ultrasound (in 93 patients) had an accuracy of 93 per cent in predicting the physical characteristics of the nodules, and was 86 per cent accurate in detecting the number of nodules; it did not detect 12 of 15 cases with multiple nodules : Cytology or needle biopsy (in 96 patients) detected 6 of 7 carcinomas, having a sensitivity of 86 per cent. A specificity of only 52 per cent was due to the relatively high false positive reports, which could improve with experience. The potential role of both investigations in the management of single thyroid nodule is discussed. (NO 00715)

AU : Hemachudha T, Suwanwela N, Phanthumchinda K, Indarakoses A.
TI : Aseptic cerebral sinovenous occlusion : a report of 6 cases and successful treatment without anticoagulants.
JN : Intern Med 1985 Oct-Dec ; 1 (4) : 203-208
EN-AB: Six cases with aseptic sinovenous occlusion were demonstrated and reported. All of these patients presented with history of headache with signs and symptoms of cerebral cortical involvement. Apart from the clinical profiles, the diagnosis of this entity depended on the preexisting medical condition such as consumption of oral contraceptive pill. The definite diagnosis can be done by cerebral angiography in the venous phase, but computerized tomography or dynamic radionuclide scan may have a promising role. Symptomatic and conservative management without heparinization gave a satisfactory result in our series. (NO 00884)

AU : Kasantikul V, Vatanatumrax B, Intaraprasong S, Suwanwela N.
TI : Heterotopic brain tissue in the nasopharynx.
JN : J Med Assoc Thai 1985 Nov ; 68 (11) : 599-604
EN-AB: Two cases of heterotopic brain tissue are presented occurring in the nasopharynx and soft palate of a newborn and a 2.5-month-old infant who had symptoms and signs of respiratory difficulty. The upper airway obstruction was relieved by tracheostomy and local excision of the mass. The lesion consisted of astrocytes, ependymal cells, neurons and specialized tissues including choroid plexus and retina anlage. A suggestion was made that displacement during early embryogenesis of neural crest cap and medullary epithelium could have been the basis of this developmental heterotopia. The possibility of this type of anomaly should be considered in any infant with evidence of upper respiratory obstruction and must be considered among the emergencies of infancy because it may be responsible for the infant's death and local excision can be curative. (NO 00909)

AU : Boonjunwetwat D, Vajarapongse K, Vajragupta L.
TI : Ultrasonic and computed tomographic appearances of hepatic melioidosis.
JN : Chula Med J 1985 Dec ; 29 (12) : 1341-1348
EN-AB: Five cases of hepatic melioidosis were evaluated by ultrasonography which showed difference appearances. Two cases showed numerous small rounded low or anechoic lesions in the liver. One case showed multiple low and high echoic lesions. One case showed a complex mass and the last case showed no detectable abnormality. CT was performed only in one case and showed diffused small rounded low density areas in the liver. (NO 01239)

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Year 1984

AU : Vajarapongse K, Wetchsetnont D, Vajragupta L, Buachum V, Saksornchai K.
TI : Ultrasonographic images of malignant hepatic neoplasms.
JN : Thai J Radiol 1984 Apr ; 21 (2) : 31-38
EN-AB: Ultrasound studies of 75 patients with proven malignant hepatic neoplasms were reviewed. 51 cases were hepatocellular carcinoma, 18 cases were metastases and 6 cases were cholangiocarcinoma. In hepatocellular carcinoma, 41 cases were single lesion, 7 cases were multiple and 3 cases were diffused parenchymal abnormality. The ultrasonographic features of hepatocellular carcinoma were found to be high level echogenic masses 35 cases, mixed high and low level echogenic masses 5 cases, bull's eye nodule 4 cases, low level echogenic masses 4 cases and diffused alteration of parenchymal echoes throughout the liver 3 cases. In metastatic lesions, 12 cases were multiple and 6 cases were single lesion. Homogeneous high level echogenic masses were 9 cases and poor echogenic masses in 6 cases. 2 cases of bull's eye nodule and 1 case of inhomogeneous different level echogenic masses were found. All cholangiocarcinoma showed high level echogenic masses with or without intrahepatic bile duct dilatation. There were no significant different ultrasonographic features among these groups of hepatic masses. The certain nature of the masses can not be determined by ultrasonographic images alone. (NO 00008)

AU : Vajarapongse K, Wetchsetnont D, Vajragupta L, Buachum V, Lerdlum S.
TI : Ultrasonography of amoebic liver abscess.
JN : Chula Med J 1984 Sep ; 28 (9) : 973-983
TH-AB: การศึกษาลักษณะภาพอุลตราซาวด์ของฝีในตับที่เกิดจากเชื้อบิดอมีบา ในผู้ป่วย 52 ราย ซึ่งมีจำนวนฝีทั้งหมด 60 แห่ง ในโรงพยาบาลจุฬาลงกรณ์ ระหว่างปี ค.ศ. 1980-1983 ได้ทำการวิเคราะห์ลักษณะภาพอุลตราซาวด์ของฝีในตับในแง่ของ จำนวน ขนาด รูปร่าง ตำแหน่ง ลักษณะการสะท้อนของคลื่นเสียง (echogenic pattern) และความเข้มของเสียง ที่ผ่านขอบหลังของฝี (through transmission) จากการศึกษาพบว่า ฝีในตับที่เกิดจาก เชื้อบิดอบีมามีจำนวนหนึ่งแห่ง มี 46 ราย และมากกว่าหนึ่งแห่ง มี 6 ราย ฝีส่วนใหญ่ มีรูปร่างกลมหรือรูปไข่ อยู่ในกลีบขวาของตับ และชิดกับผิว คลื่นเสียงสะท้อนภายในฝี (internal echo) มีน้อยหรือไม่มี 50 เปอร์เซนต์ การสะท้อนของคลื่นเสียงที่ขอบฝีมีน้อย (echogenic echo) 73 เปอร์เซนต์ และมีการเพิ่มขึ้นของความเข้มของเสียงหลังจากผ่าฝีไปแล้ว (through transmission) 70 เปอร์เซนต์ ลักษณะดังกล่าวอาจจะเป็นแนวทางในการวินิจฉัยแยกโรคระหว่างฝีในตับที่เกิดจากเชื้ออมีบาและฝีในตับที่ เกิดจากเชื้อชนิดอื่น (NO 00152)

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