• Title/Summary/Keyword: Soft tissue lesions

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Ankle Lesions, Associated with Anterior Soft Tissue Impingement (전방 연부조직 충돌과 동반된 족관절 병변)

  • Sung, Il-Hoon;Kim, Suk-Hwan;Shim, Kyu-Dong;Lee, Jun-Hwan;Kang, Chang-Nam
    • Journal of Korean Foot and Ankle Society
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    • v.14 no.2
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    • pp.115-118
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    • 2010
  • Purpose: To evaluate clinical features of ankle lesions, associated with anterior soft tissue impingement. Materials and Methods: We retrospectively reviewed 21 patients who had chronic anterior ankle pain as initial symptom and associated ankle lesions with anterior soft tissue impingement. Based on preoperative radiologic findings, physical examination intra-operative findings, appropriate procedures were done for lesions by either arthroscopic or minimal open procedure or combined. Clinical evaluation was done using American Orthopedic Foot and Ankle Society, ankle-hind foot score (AOFAS score) and visual analog scale (VAS) on last follow up. Results: Associated lesion(s) to anterior soft tissue impingement of the ankle were 16 cases of osteochondral lesion of talus, 14 cases of bony impingement, 6 cases of ankle lateral instability, 5 cases of loose body, 4 cases of os subfibulare. AOFAS score was $58.9\;{\pm}\;5.1$ preoperatively and $74\;{\pm}\;9.1$ on last follow up. Clinical satisfaction score using VAS showed excellent in 3 cases, good in 11, fair in 3, poor in 4. Conclusion: The patients who had anterior soft tissue impingement would have various associated lesions on their ankle. In such cases, preoperative counseling for variety of postoperative results would be needed.

Applying Principles of OPT by Soft-Tissue Lesions Stages (연부조직 병변의 회복단계별 정형 물리치료적 적용원리)

  • Park, Ji-Whan
    • Journal of Korean Physical Therapy Science
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    • v.1 no.2
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    • pp.313-320
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    • 1994
  • This article provids background information necessary to design orthopaedic physical therapy programs based on a patient's level of orthopaedic involvement during the acute, subacute, or chronic stage of soft-tissue healing. This approach was used whether the problem involved injury from trauma, insult from overuse, disease, surgical intervention. Soft-tissue lesions and clinical conditions were defined ; the stages of inflammation and repair were described with emphasis on how to manage soft tissues and joints with therapeutic exercise during each stage. A problem list with goals and plan of care was outlined to summarize each clinical situation. A list of clinical problems will be used as the foundation for designing exercise problems for each region of the body.

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Cytologic Features of Soft Tissue Lesions (연부조직 병변의 세침흡인 세포학적 소견)

  • Oak, Soon-Ae;Gong, Gyung-Yub;Choe, Ghee-Young;Hch, Jur-Yung;Yu, Eun-Sil;Lee, In-Chul
    • The Korean Journal of Cytopathology
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    • v.6 no.1
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    • pp.27-35
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    • 1995
  • We reviewed 93 cases of fine needle aspiration of skin/subcutaneous and soft tissue lesions with histologic confirmation. On the basis of the most prominent cytologic features, morphologic classification of the aspirates was done. Skin and subcutaneous lesions included endometriosis, epidermal inclusion cyst, fat necrosis, pilomatrixoma and nodular fasciitis. Neoplastic lesions of soft tissue were categorized as ; round cell, spindle cell, polygonal cell, well-differentiated and myxoid tumor. This classification is convenient to recognize and categorize most soft tissue tumors.

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Imaging Features of Soft-Tissue Calcifications and Related Diseases: A Systematic Approach

  • Hwang, Zhen-An;Suh, Kyung Jin;Chen, Dillon;Chan, Wing P.;Wu, Jim S.
    • Korean Journal of Radiology
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    • v.19 no.6
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    • pp.1147-1160
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    • 2018
  • Soft-tissue calcification refers to a broad category of lesions. Calcifications are frequently identified by radiologists in daily practice. Using a simple algorithm based on the distribution pattern of the lesions and detailed clinical information, these calcified lesions can be systematically evaluated. The distribution pattern of the calcific deposits enables initial division into calcinosis circumscripta and calcinosis universalis. Using laboratory test results (serum calcium and phosphate levels) and clinical history, calcinosis circumscripta can be further categorized into four subtypes: dystrophic, iatrogenic, metastatic, and idiopathic calcification. This pictorial essay presents a systematic approach to the imaging features of soft-tissue calcifications and related diseases.

Intravenous contrast media application using cone-beam computed tomography in a rabbit model

  • Kim, Min-Sung;Kim, Bok-Yeol;Choi, Hwa-Young;Choi, Yoon-Joo;Oh, Song-Hee;Kang, Ju-Hee;Lee, Sae-Rom;Kang, Ju-Han;Kim, Gyu-Tae;Choi, Yong-Suk;Hwang, Eui-Hwan
    • Imaging Science in Dentistry
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    • v.45 no.1
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    • pp.31-39
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    • 2015
  • Purpose: This study was performed to evaluate the feasibility of visualizing soft tissue lesions and vascular structures using contrast-enhanced cone-beam computed tomography (CE-CBCT) after the intravenous administration of a contrast medium in an animal model. Materials and Methods: CBCT was performed on six rabbits after a contrast medium was administered using an injection dose of 2 mL/kg body weight and an injection rate of 1 mL/s via the ear vein or femoral vein under general anesthesia. Artificial soft tissue lesions were created through the transplantation of autologous fatty tissue into the salivary gland. Volume rendering reconstruction, maximum intensity projection, and multiplanar reconstruction images were reconstructed and evaluated in order to visualize soft tissue contrast and vascular structures. Results: The contrast enhancement of soft tissue was possible using all contrast medium injection parameters. An adequate contrast medium injection parameter for facilitating effective CE-CBCT was a 5-mL injection before exposure combined with a continuous 5-mL injection during scanning. Artificial soft tissue lesions were successfully created in the animals. The CE-CBCT images demonstrated adequate opacification of the soft tissues and vascular structures. Conclusion: Despite limited soft tissue resolution, the opacification of vascular structures was observed and artificial soft tissue lesions were visualized with sufficient contrast to the surrounding structures. The vascular structures and soft tissue lesions appeared well delineated in the CE-CBCT images, which was probably due to the superior spatial resolution of CE-CBCT compared to other techniques, such as multislice computed tomography.

A Study on New Invention Model of Handy Deep Friction Massager${(R)}$ by Using DFM (DFM 원리를 이용한 휴대용 Deep Friction Massager${(R)}$ 치료기기 모형개발에 관한 연구)

  • Park, Jj-Whan
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.10 no.1
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    • pp.57-65
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    • 2004
  • The main purpose of this article is to make a handy Deep Friction Massager by using DFM in based on Dr. Cyriax's manual medicine. Also this study's aimed to heal soft tissue lesions - low back pain, neck pain, tennis elbow, golfer's elbow, frozen shoulder, myofibrosis etc. - which has resolved adhesion scar tissue problem in soft tissue. The results of this study were as followings ; 1. Deep friction massager has a effect not only massage but also healing, because it is broken the physiologic bridge of scar tissue in soft tissue. 2. It is possible to reduce the fatigue and effort of therapists during the deep friction massage. 3. Deep friction massager is made of handy form, so it is very convenient of using and application to patients.

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Reconstruction of the Pretibial Soft Tissue Lesion after Chronic Tibia Osteomyelitis using Anterolateral Thigh Perforator Flap (전외측 대퇴부 천공지 피판을 이용한 만성 경골 골수염에 동반된 하지 전방 연부조직 병변의 재건)

  • Jung, Heun-Guyn;Choi, Dong-Hyuk;Jeon, Sung-Hoon;Kim, Hee-Dong
    • Archives of Reconstructive Microsurgery
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    • v.18 no.1
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    • pp.16-22
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    • 2009
  • The purpose of this study was to present the clinical result of anterolateral thigh free flap for pretibial soft tissue lesion after chronic tibia osteomyelitis. From December 2006 to September 2008, Five patients were included in our study. 4 of 5 were superficial or localized types of chronic tibia osteomyelitis, based on the classification of Cierny and Mader. Average age at the surgery was 45 years, three were males and two were females. All had a history of chronic tibia osteomyelitis and subsequent pretbial soft tissue lesions coming from previous operations or pus drainage. Pretibial soft tissue defects included small ulcers, fibrotic, bruisable soft tissue and small bony exposures, but not large-sized bony exposures nor active pus discharge. After complete debridement of large sized pretibial soft tissue lesions and decortication of anterior tibial cortical dead bone, anterolateral thigh free flap was applied to cover remained large pretibial soft tissue defect and to prevent the recurrence of infection. All flaps survived and provided satisfactory coverage of soft tissue defect on pretibial region for 16 months' mean follow up period. No patients has had recurrence of osteomyelitis. Anterolateral thigh free flap could be recommend for large sized pretibial soft tissue defect of supreficial or localized types of chronic tibia osteomyelitis after through debridement.

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Ganglion-like Lesions of the Foot on the Ultrasonography (초음파에서 족부 결절종으로 오인한 유사 병변)

  • Chun, Kyung-Ah;Shin, Dong-Hwan;Seo, Dong-Hyun;Singh, Kanwarjot;Suh, Jin-Soo
    • Journal of Korean Foot and Ankle Society
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    • v.14 no.2
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    • pp.169-172
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    • 2010
  • Purpose: The authors have experienced various lesions that simulate ganglion of the foot on the ultrasonography. The purpose of this study is to evaluate ultrasonographic findings of soft tissue lesions, which were interpreted as ganglion but confirmed as different lesions in the foot. Materials and Methods: We reviewed a database of patients with ganglion on the ultrasonography from two different institutions. There were 109 patients who underwent both ultrasonography and surgical confirmation. Twenty one lesions were identified, of which initial interpretation on the ultrasonography included ganglion which pathology revealed to be different lesions. All images were evaluated by one musculoskeletal radiologist, regarding size, margins, internal echogenicity of lesions, and presence of posterior enhancement. Results: Of 21 lesions, there were 6 fibrous tumors including fibroma, giant cell tumor of tendon sheath, and fibromatosis, 3 hemangiomas, 2 epidermal inclusion cysts, 2 chondromas, 2 angioleiomyomas, 1 trichilemal cyst, 1 neurofibroma, 1 granular cell tumor, 1 neurilemmoma, 1 neuromyxoma, and 1 nodular hidradenoma. Mean size of the lesion was 1.1 cm. Margins were smooth in 10, mild lobulation in 8 and marked lobulation in 3 lesions. Lesions were hypoechoic in 16, anechoic in 4 and isoechoic in 1 case. Posterior acoustic enhancement was definitely present in 5 lesions. Conclusion: On the ultrasonography, various soft tissue lesions of the foot may be confused with ganglion. During surgical resection care should be given even to a simple ganglion as it might turn up to be a solid lesions such as fibrous tumors.

3-D High Resolution Ultrasonic Transmission Tomography and Soft Tissue Differentiation

  • Kim Tae-Seong
    • Journal of Biomedical Engineering Research
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    • v.26 no.1
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    • pp.55-63
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    • 2005
  • A novel imaging system for High-resolution Ultrasonic Transmission Tomography (HUTT) and soft tissue differentiation methodology for the HUTT system are presented. The critical innovation of the HUTT system includes the use of sub-millimeter transducer elements for both transmitter and receiver arrays and multi-band analysis of the first-arrival pulse. The first-arrival pulse is detected and extracted from the received signal (i.e., snippet) at each azimuthal and angular location of a mechanical tomographic scanner in transmission mode. Each extracted snippet is processed to yield a multi-spectral vector of attenuation values at multiple frequency bands. These vectors form a 3-D sinogram representing a multi-spectral augmentation of the conventional 2-D sinogram. A filtered backprojection algorithm is used to reconstruct a stack of multi-spectral images for each 2-D tomographic slice that allow tissue characterization. A novel methodology for soft tissue differentiation using spectral target detection is presented. The representative 2-D and 3-D HUTT images formed at various frequency bands demonstrate the high-resolution capability of the system. It is shown that spherical objects with diameter down to 0.3㎜ can be detected. In addition, the results of soft tissue differentiation and characterization demonstrate the feasibility of quantitative soft tissue analysis for possible detection of lesions or cancerous tissue.

Detection of Orthopedic Disease Using Three Phase Radionuclide Bone Scan in the Dog (개에서 3단계 골스캔을 이용한 골병변의 진단)

  • 강성수;최석화
    • Journal of Veterinary Clinics
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    • v.19 no.1
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    • pp.103-106
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    • 2002
  • Specific diagnosis of orthopedic disease can be diffcult in canine practice. Failure to detect the clinical signs of a disorder during physical examination of dogs with acute or chronic lameness is the most common reason for failure to make specific diagnosis. A 6-month-old, female doberman with history of swelling and non-weight-bearing lameness in the left forelimb was referred to Beterinary Teaching Hospital of Chungbuk National University. Physical examination, plain radiography, and conventional three-phase radionuclide bone scan were performed in the patient. Based on the physical exam and radiography, this case was diagnosed as elbow strain and subluxation. Conventional three-phase bone scan detected soft tissue inflammation and osteochondral lesions of elbow joint, and revealed good agreement with clinical findings. Therefore, conventional three-phase bone scan was able to provide the precise information about inflammation of soft tissue and osteochondral lesions of joint.