• 제목/요약/키워드: Breast Ultrasonography

검색결과 125건 처리시간 0.029초

Point Shearwave Elastography의 유방 초음파에서의 적용: "S-Shearwave"를 이용한 감별진단의 초기경험 (Application of Point Shearwave Elastography to Breast Ultrasonography: Initial Experience Using "S-Shearwave" in Differential Diagnosis )

  • 이명환;김은경;이은주;김하얀;윤정현
    • 대한영상의학회지
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    • 제81권1호
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    • pp.157-165
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    • 2020
  • 목적 S-Shearwave를 이용하여 유방 병변을 감별하는데 있어 최적의 cut-off 값과 종괴 내 위치를 알아보고 진단적 가치를 평가하고자 한다. 대상과 방법 연구 기간 동안 197명의 여성에서 225개의 유방 병변을 평가하였다. S-Shearwave 값은 초음파 기기에서 자동적으로 생성된 사각형의 region-of-interest로 측정하였다. 병변 내 서로 다른 네 군데에서 각각 세 번 측정하였으며 세 개의 중위 값 중 최대 값을 이용해 각각의 위치에서 최적의 cut-off 값을 계산하였다. 진단적 가치는 area under the receiving operator characteristics curve (이하 AUC)를 통해 평가하였다. 결과 총 225개의 유방 병변 중 156개(69.3%)는 양성, 69개(30.7%)는 악성이었다. 평균 SShearwave 값은 악성 병변이 양성 병변에 비해 유의미하게 높았다(108.0 ± 70.0 kPa vs. 43.4 ± 38.3 kPa, p < 0.001). 하지만 병변 내 위치에 따른 값의 유의미한 차이는 없었다. Cut-off 값을 41.9 kPa로 사용했을 때, 민감도 85.7%, 특이도 63.9%, 정확도 70.7%, 양성예측도 51.7% 및 음성예측도 90.8%였다. 초음파와 S-Shearwave 간의 AUC는 유의미한 차이를 보이지 않았다(p = 0.179). 결론 S-Shearwave는 유방 병변의 감별진단을 하는데 grayscale 초음파에 필적하는 진단적 가치를 가진다.

Ductal Carcinoma in situ with Multicystic Changes in a Patient with Interstitial Mammoplasty via Paraffin Injection: MRI and Pathological Findings

  • Park, Jiyoon;Woo, Ok Hee;Kim, Chungyeul;Cho, Kyu Ran;Seo, Bo Kyoung
    • Investigative Magnetic Resonance Imaging
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    • 제19권2호
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    • pp.127-130
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    • 2015
  • Direct injection of foreign material, such as liquid paraffin and silicone, into the breast can induce a foreign body granulomatous reaction and fibrosis, resulting in hard, nodular breast masses and architectural distortion that can mimic neoplasm. Conventional methods, including physical examination, mammography, and ultrasonography are of little use to differentiate between foreign body-induced mastopathy and breast cancer. In patients with foreign body injection such as breast augmentation, dynamic contrast enhanced MR imaging is an excellent imaging modality. Here, the authors report the MR imaging and pathological findings of ductal carcinoma in situ (DCIS) with multicystic changes in a 41-year-old woman with a previous history of interstitial mammoplasty by paraffin injection.

Metastasis of Rhabdomyosarcoma to the Male Breast: a Case Report with Magnetic Resonance Imaging Findings

  • Kim, Myeongjong;Kang, Bong Joo;Park, Ga Eun;Kim, Sung Hun;Lee, Jeongmin;Lee, Ahwon
    • Investigative Magnetic Resonance Imaging
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    • 제23권1호
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    • pp.75-80
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    • 2019
  • Metastasis of rhabdomysarcoma to the breast is a very rare manifestation in adult males. Herein, we report a case of metastasis from embryonal rhabdomyosarcoma in the left hypothenar muscle that presented as a breast mass in a 38-year-old man, who four months later expired because of multiple bone metastases related to pancytopenia. We describe the various imaging findings, including mammograms, ultrasonography, computerized tomography (CT), positron emission tomography-computed tomography (PET-CT), and magnetic resonance imaging (MRI) of this rare disease. The various imaging findings of this lesion could be helpful for future diagnosis of male breast lesions.

Pancreatic metastasis from malignant phyllodes tumor of the breast

  • Lee, Seung Eun;Bae, Young Kyung;Choi, Joon Hyuk
    • Journal of Yeungnam Medical Science
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    • 제38권1호
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    • pp.78-82
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    • 2021
  • Pancreatic metastasis from malignant phyllodes tumor (PT) of the breast is rare, and only a few cases have been reported in the literature. Here, we report a case of pancreatic metastasis from malignant PT of the breast in a 48-year-old woman. She had had three episodes of recurrence of malignant PT in her right breast. She presented with epigastric pain for 2 months. Computed tomography and magnetic resonance imaging revealed a 6 cm-sized, well-defined, heterogeneous mass with peripheral enhancement in the body of the pancreas. Endoscopic ultrasonography-guided fine-needle aspiration was performed, and the pathologic report suggested spindle cell mesenchymal neoplasm. Subsequently, surgical excision was performed, and the mass was confirmed as a metastatic malignant PT. The imaging findings are discussed and the literature is briefly reviewed in this report.

Breast Ultrasound Microvascular Imaging and Radiogenomics

  • Ah Young Park;Bo Kyoung Seo;Mi-Ryung Han
    • Korean Journal of Radiology
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    • 제22권5호
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    • pp.677-687
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    • 2021
  • Microvascular ultrasound (US) techniques are advanced Doppler techniques that provide high sensitivity and spatial resolution for detailed visualization of low-flow vessels. Microvascular US imaging can be applied to breast lesion evaluation with or without US contrast agents. Microvascular US imaging without a contrast agent uses a sophisticated wall filtering system to selectively obtain low-flow Doppler signals from overlapped artifacts. Microvascular US imaging with second-generation contrast agents amplifies flow signals and makes them last longer, which facilitates hemodynamic evaluation of breast lesions. In this review article, we will introduce various microvascular US techniques, explain their clinical applications in breast cancer diagnosis and radiologic-histopathologic correlation, and provide a summary of a recent radiogenomic study using microvascular US.

유방의 다발성 결절로 발현한 급성 골수성 백혈병 재발의 건: 증례 보고 (Relapsed Acute Myeloid Leukemia Presenting as Multiple Breast Masses: A Case Report)

  • 성지연;이종윤;추아정
    • 대한영상의학회지
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    • 제84권2호
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    • pp.454-459
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    • 2023
  • 유방을 침범하는 혈액종양은 굉장히 드물게 보고되었다. 우리는 유방의 다발성 결절로써 재발한 급성 골수성 백혈병의 증례를 보고하고자 한다. 77세 여자 환자가 양측 유방의 촉지되는 다발성 결절로 외래를 내원하였다. 환자는 급성 골수성 백혈병(acute myeloid leukemia; 이하 AML)으로 진단받고 9차례의 항암치료 이후 완전 관해가 된 병력이 있었다. 유방 촬영과 유방 초음파에서 환자의 촉지성 병변이 영상의학적으로 확인되었으며 액와부 림프절 종대도 동반되었다. 총생검으로 얻은 검체는 면역화학염색을 통해 AML과 blastic plasmacytoid dendritic cell neoplasm의 형태를 보였으며 추후 진행한 골수 생검에서 AML로 확인되었다. 이렇듯 굉장히 드물지만, 혈액암의 병력을 가진 환자가 유방의 촉지성 종괴로 내원하였다면 담당의는 적절한 조직검사 및 면역화학검사로 정확한 진단을 하여 환자가 적절한 치료를 받도록 해야 한다.

유방암 발생에 영향을 미치는 위험인자 분석: 유방초음파 검진자 대상으로 (Analysis of Risk Factors Affecting Breast Cancer Incidence : Breast Ultrasonography)

  • 안현;양성희;임인철;이진수
    • 한국방사선학회논문지
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    • 제11권4호
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    • pp.289-295
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    • 2017
  • 일반적으로 유방암 발생에 영향을 미치는 요소는 여러 연구가 진행되었으나 위험인자에 관한 체계적인 조사는 드물다. 따라서 본 연구에서는 유방초음파 검사 전 실시하는 건강문진표 작성내용과 실제 초음파 검사에서 유방암 판정을 받은 환자를 바탕으로 관련인자를 파악하고자 하였다. 유방초음파를 실시한 417명을 대상으로 자기기입식 문진표를 작성하였고 양성, 악성으로 분류하여 후향적 연구를 시행하였다. 유방암 발생 관련인자로 나이, 체질량지수, 투약 종류에서 관련성을 보였으며(p<0.05), 다변량분석 결과 교차비(Odds ratio)는 나이에서 50대 이하를 기준으로 50대에서 4.93배, 체질량지수 정상군보다 비만군에서 2.43배 증가하였고 타목시펜과 여성호르몬제 투약 시에는 0.14배, 0.16배 감소하였다(p<0.05). 따라서 나이가 증가함에 따라 정기적인 검사를 실시하고 적절한 체중관리가 필요하다. 따라서 본 연구는 유방암 발생에 영향을 미치는 위험인자 규명의 기초자료로 제공될 것으로 기대한다.

Complex Hemangioma of the Breast: Case Report, with Imaging Findings

  • Lee, Joo Yeon;Cha, Joo Hee;Kim, Hak Hee;Shin, Hee Jung;Chae, Eun Young;Choi, Woo Jung;Song, Min Jeong
    • Investigative Magnetic Resonance Imaging
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    • 제19권2호
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    • pp.131-135
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    • 2015
  • Vascular tumors in the breast are rare, and most can be classified as being either angiosarcomas or hemangiomas. Hemangiomas are benign vascular tumors that are usually identified incidentally. Here, we are reporting on a case of a complex hemangioma of the breast, and describing the mammography, ultrasonography, and magnetic resonance imaging findings for this patient.

Invasive Ductal Carcinoma Arising within a Mammary Hamartoma: Case Report

  • Bae, Jung Min;Ko, Eun Young;Han, Boo-Kyung
    • Investigative Magnetic Resonance Imaging
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    • 제19권4호
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    • pp.237-240
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    • 2015
  • Breast hamartomas are typically a benign condition and rarely develop into malignant lesions. The coexistence of carcinoma and a breast hamartoma is rare; only 15 cases have been reported in the literature. Here, we report a case of invasive ductal carcinoma associated with hamartoma in a 60-year-old woman. Mammography, ultrasonography and magnetic resonance imaging showed typical features of a breast hamartoma and a suspicious mass with microcalcifications arising within the hamartoma.

유방의 기질형성 암종의 세침흡인 세포학적 소견 - 1예 보고 - (Fine Needle Aspiration Cytology of Matrix Producing Carcinoma of the Breast - A Case Report -)

  • 김현정;박아영;김동원;이동화;권귀향
    • 대한세포병리학회지
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    • 제8권2호
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    • pp.174-178
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    • 1997
  • Matrix producing carcinoma of the breast is a variant of heterologous metaplastic carcinoma which is defined as "overt carcinoma with direct transition to a cartilaoenous and/or osseous stromal matrix without an intervening spindle cell zone or osteoclastic cells". This tumor is very rare, occuring in less than 0.2% of total breast carcinoma, but the prognosis is better than other metaplastic carcinoma. We experienced a case of fine needle aspiration(FNA) cytologic finding of matrix producing carcinoma of the breast. A 75-year old woman, who presented a right huge breast mass$(9{\times}8cm)$ during 10months, was examined. Mammography reveals right lateral mass with even density without calcification. Breast ultrasonography shows multifocal hypoechogenic cystic change in the huge mass, suggesting resolving hematoma or carcinoma or sarcoma with necrosis. On cytologic finding of FNA, myxoid matrix was the dominant feature and the rest of the material was composed of scanty isolated atypical cells with large irregular nuclei. The histologic finding was moderately differentiated adenocarcinoma with abundant cartilagenous matrix and focal squamous metaplasia.

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