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      Ultrasonographic Characteristics in the Fingers and Other Superficial Glomus Tumours


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          Glomus tumours are painful superficial tumours, and ultrasonography is an extremely useful and noninvasive diagnostic technique for superficial organs. In this study, we retrospectively examined glomus tumours using ultrasonography. Among 18 patients histopathologically diagnosed with glomus tumours via ultrasonography, we observed five different development sites: subungual areas or those surrounding the nail bed (12), other areas on the finger surface (3), abdominal wall (1), upper arm (1), and forearm (1). The ultrasonographic images revealed significant differences in tumour size, indicating that tumours on other body surfaces tended to be smaller than those on patients' fingers ( p < 0.01). The depth/width ratios of tumours on the other body surfaces were significantly higher than those on the fingers ( p < 0.05). The tumours showed a regular shape (72.2%) and clear border (100%). Furthermore, most tumours were low-echo tumours with a diameter of up to 15 mm, clear margins, and no lateral shadows. Abundant blood flow and vessels in and out of the tumours were also observed. In conclusion, our study describes the ultrasonographic characteristics of glomus tumours and reveals that they cannot be ruled out when diagnosing small painful subcutaneous tumours.

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          Breast ultrasonography: state of the art.

          Ultrasonography (US) is an indispensable tool in breast imaging and is complementary to both mammography and magnetic resonance (MR) imaging of the breast. Advances in US technology allow confident characterization of not only benign cysts but also benign and malignant solid masses. Knowledge and understanding of current and emerging US technology, along with the application of meticulous scanning technique, is imperative for image optimization and diagnosis. The ability to synthesize breast US findings with multiple imaging modalities and clinical information is also necessary to ensure the best patient care. US is routinely used to guide breast biopsies and is also emerging as a supplemental screening tool in women with dense breasts and a negative mammogram. This review provides a summary of current state-of-the-art US technology, including elastography, and applications of US in clinical practice as an adjuvant technique to mammography, MR imaging, and the clinical breast examination. The use of breast US for screening, preoperative staging for breast cancer, and breast intervention will also be discussed.
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            Extradigital glomus tumors: a 20-year experience.

            To review a large series of extradigital glomus tumors in order to gain a better understanding of their presentation and provide guidelines to aid in their diagnosis and treatment. We performed a retrospective review of all extradigital glomus tumors seen at our institution during a 20-year period (1985-2005) to document the incidence of the classic triad of symptoms, the duration of symptoms, the contribution of imaging to making a definitive diagnosis, and the effectiveness of treatment. Fifty-six different patients with extradigital glomus tumors presented as follows: glomus tumors in the hand (3), wrist (4), forearm (11), elbow (4), arm (4), shoulder (2), buttock (1), thigh (5), knee (10), leg (3), ankle (2), foot (2), back (1), nose (1), cheek (1), ear lobe (1), and trachea (1). Forty-eight patients presented with pain and localized tenderness, but only 1 patient presented with cold Intolerance. The average duration of symptoms was greater than 7 years, with most patients being evaluated previously and having their conditions misdiagnosed. Magnetic resonance imaging proved to be the most useful modality for localization of these lesions. Surgical resection was the definitive treatment and generally provided immediate and sustained pain relief. Extradigital glomus tumors are not a rare subgroup of glomus tumors. Treatment outcomes are excellent, but misdiagnosis and delayed diagnosis are common. Improved guidelines regarding symptoms and diagnosis of these neoplasms may reduce the morbidity, ensuing chronic pain, and psychiatric consequences of delayed diagnosis or misdiagnosis.
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              Glomus Tumor: Twenty-Year Experience and Literature Review.

              Glomus tumors are rare, usually benign, vascular hamartomas consisting cells resembling the smooth muscle cells of the normal glomus body. They can be solitary or multiple, whereas solitary tumors are majorly located on the digits. Digital glomus tumors most commonly appear in subungual region and show a strong female predominance. There are several classical symptoms, clinical tests, and imaging tools, such as X-ray, magnetic resonance imaging, and ultrasonography, which can provide good accuracy for clinical diagnosis. However, misdiagnosis and delayed diagnosis are still commonly observed because primary physicians are unfamiliar with classical symptoms and clinical tests. Complete surgical excision often can result in complete relief of symptoms. Recurrence is largely caused by incomplete excision, but repeated image study is recommended to rule out new or malignant lesions. This series is a retrospective review of 50 cases with glomus tumors managed at our institute. We aim to review the key aspects of glomus tumor and provide a simple guideline for earlier diagnosis and treatment.

                Author and article information

                Dermatol Res Pract
                Dermatol Res Pract
                Dermatology Research and Practice
                26 July 2023
                : 2023
                : 7126799
                1Department of Clinical Laboratory Technology, Tokai University Hospital, 143 Shimokasuya, Isehara, Kanagawa 259-1196, Japan
                2Department of Laboratory Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1196, Japan
                3Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1196, Japan
                4Department of Dermatology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa 259-1196, Japan
                Author notes

                Academic Editor: Ioannis D. Bassukas

                Author information
                Copyright © 2023 Noboru Takanashi et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                : 30 March 2023
                : 4 July 2023
                : 17 July 2023
                Research Article



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