Sonographically guided percutaneous needle biopsy of soft tissue masses with histopathologic correlation
ABSTRACT The purpose of this study was to evaluate the accuracy of sonographically guided percutaneous core biopsy of soft tissue masses.
We retrospectively reviewed the medical records of patients who underwent sonographically guided biopsy of soft tissue masses at our institution during a 50-month period. Core biopsy histopathologic results were compared with surgical or clinical follow-up.
One hundred eighty-three patients, 76 male and 107 female, with a mean age of 48.5 years were included in the study. Thirteen patients had more than 1 biopsy, and the total number of biopsies performed was 196. Five patients were lost to follow-up. Biopsy results were diagnostically accurate in 174 (91%) cases. Thirteen biopsies were inconclusive. No complications occurred. The overall sensitivity, specificity, positive predictive value, and accuracy in separating malignant from benign lesions were 97%, 99%, 99%, and 98%, respectively.
Sonographically guided core needle biopsy is an accurate and safe means to obtain tissue samples for the histopathologic diagnosis of soft tissue masses. It obviates the need for open biopsy and should be performed routinely for treatment planning.
- SourceAvailable from: Noriaki Yamamoto
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- "We have not yet experienced significant complications from the injury of vasculature in performing USguided FNAB and have still detected vasculature using the Bmode of US without color Doppler sonography (Figure 3). If color Doppler US is available before a biopsy, routine use of color Doppler US has been encouraged to guide the cutting needle to areas of the lesion showing sufficient vascularity . "
ABSTRACT: Various kinds of diseases may be found in the oral and maxillofacial regions and various modalities may be applied for their diagnosis, including intra-oral radiography, panoramic radiography, ultrasonography, computed tomography, magnetic resonance imaging, and nuclear medicine methods such as positron emission tomography. Of these modalities, ultrasound imaging is easy to use for the detection of noninvasive and soft tissue-related diseases. Doppler ultrasound images taken in the B-mode can provide vascular information associated with the morphology of soft tissues. Thus, ultrasound imaging plays an important role in confirming the diagnosis of many kinds of diseases in such oral and maxillofacial regions as the tongue, lymph nodes, salivary glands, and masticatory muscles. In the present article, we introduce three new applications of ultrasonography: guided fine-needle aspiration, measurement of tongue cancer thickness, and diagnosis of metastasis to cervical lymph nodes.International Journal of Dentistry 04/2010; 2010:639382. DOI:10.1155/2010/639382
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ABSTRACT: High-resolution sonography is well suited for screening soft tissue masses because of its safety, low cost, and real-time, dynamic imaging. The purpose of our study was to elaborate the preoperative sonographic features of soft tissue tumors of the hand and forearm and the corresponding histologic results. Thirty-one soft tissue tumors of the hand and forearm were evaluated by ultrasound preoperatively. The mobility, consistency, echogenicity, margin, and color Doppler signal of each tumor were assessed. Dynamic study was also performed. The pathologic diagnosis was obtained after subsequent surgery. The pathologic diagnoses of these soft tissue lesions were lipoma (n = 6), ganglion cyst (n = 6), neurilemmoma (n = 3), neurofibroma (n = 3), giant cell tumor (n = 10), tenosynovitis (n = 2), and malignant lymphoma (n = 1). An adjacent tendon or communication duct extending to the joint space could be found in most giant cell tumors and ganglion cysts; a traceable nerve could be found in most nerve sheath tumors. All benign tumors appeared well-defined. The only malignant tumor appeared ill-defined without a color Doppler signal. Sonography enables a reliable diagnosis of the cystic or solid nature of soft-tissue lesions, accurate estimation of the volume, and precise three-dimensional localization of the abnormality. Examiners should perform a dynamic examination and trace the adjacent structure to obtain more diagnostic clues.Chang Gung medical journal 30(6):547-54.
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ABSTRACT: A short synthesis of methyl (SR)-8,10-dichloro-1,2,3,4,5,6-hexahydro-6-hydroxy-1-methyl-1,9-phenanthroline-6-carboxylate (14) has been achieved en route to conformationally restricted analogues of nicotine and anabasine. The key feature of this process involves an efficient intramolecular Hamaguchi–Ibata reaction of 11.Tetrahedron Letters 01/2000; 41(5):759-762. DOI:10.1016/S0040-4039(99)02148-6 · 2.39 Impact Factor