An unusual case: Ruptured and infected primary muscle cystic echinococcosis

AbstractThere are few case reports of primary muscle cystic echinococcosis in which a hot abscess developed at the site of the cyst following its perforation. Here, the author presents a 23-year-old female with a hydatid cyst of more than 15 years’ duration in her right quadriceps muscle. The cyst did not cause any complaints for years and grew very slowly, but eventually became infected and perforated. A large hot abscess was formed at its site. The patient was managed successfully by surgical and medical treatments. She was assessed carefully for clinical, radiological, surgical and histopathological findings. Investigations were made to differentiate the condition from classical hot abscesses and other soft tissue masses. In T1-and T2-weighted magnetic resonance images, a hypointense membranous structure (the perforated rim) within the mass of the lesion was significant for its differential diagnosis. In conclusion, especially in endemic regions, magnetic resonance imaging is a valuable tool in differentiating soft tissue cystic echinococcosis in the presence of infected and rapidly enlarging masses after long periods of dormancy.

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Pigmented Villonodular Synovitis of the Ankle

Journal of the American Podiatric Medical Association ◽

10.7547/1010252 ◽

2011 ◽

Vol 101 (3) ◽

pp. 252-258 ◽

Cited By ~ 4

Author(s):

Da-Peng Hao ◽

Jian-Zhong Zhang ◽

Wen-Jian Xu ◽

Zhen-Chang Wang ◽

Xue-Na Wang

Keyword(s):

Magnetic Resonance Imaging ◽

Magnetic Resonance ◽

Soft Tissue ◽

Bone Erosion ◽

Pigmented Villonodular Synovitis ◽

Magnetic Resonance Images ◽

Villonodular Synovitis ◽

Resonance Imaging ◽

Soft Tissue Masses ◽

Pigmented Villonodular

Background: Pigmented villonodular synovitis (PVNS) of the ankle is a rare benign proliferative growth of the synovium. Studies of the radiologic characteristics of ankle PVNS are sparse. Methods: To characterize the radiologic features of ankle PVNS, five patients with histologically proven ankle PVNS were retrospectively studied. The features of their radiographs, computed tomographic scans, and magnetic resonance images were reviewed, with emphasis on the morphological features, extension, margin, bone involvement, signal intensity, and degree of magnetic resonance enhancement. Results: All five lesions were diffuse, affecting the ankle and distal tibiofibular joint; three lesions also involved the subtalar joint. Radiography demonstrated extrinsic bone erosions with marginal sclerosis of the involved joints in all of the patients, but computed tomography identified this much better than did radiography. Magnetic resonance imaging revealed multiple lobulated soft-tissue masses in all of the cases. These soft-tissue masses surrounded the flexor hallux longus tendon and were hypointense on T1-weighted images, with a heterogeneous signal in two cases and homogenous hypointensity in three cases on fat-suppressed T2-weighted images. In one patient who underwent gadolinium-enhanced imaging, the masses showed intense enhancement. Conclusions: Magnetic resonance imaging is the best way to reveal ankle PVNS. Magnetic resonance imaging findings of predominant hypointensity on all pulse sequences and standard radiography findings of bone erosion with marginal sclerosis are characteristic. (J Am Podiatr Med Assoc 101(3): 252–258, 2011)

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Angioleiomyoma of the Plantar Foot

Journal of the American Podiatric Medical Association ◽

10.7547/17-071 ◽

2018 ◽

Vol 108 (3) ◽

pp. 262-266 ◽

Cited By ~ 1

Author(s):

Ariel Lepoff ◽

Vyacheslav Makarov ◽

Marie Williams

Keyword(s):

Differential Diagnosis ◽

Magnetic Resonance ◽

Soft Tissue ◽

Plantar Fascia ◽

Magnetic Resonance Images ◽

Soft Tissue Masses ◽

Immunochemical Staining ◽

Slow Growing

A 68-year-old man with a slow-growing lesion in the distal medial band of the plantar fascia of the left foot is presented. Clinical photographs, ultrasound and magnetic resonance images, histologic results, and immunochemical staining are disclosed. This case study presentation aims to highlight the importance of including angioleiomyoma in the differential diagnosis of plantar foot soft-tissue masses.

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An unusual case of aggressive malignant spread of epithelioid hemangioendothelioma

Rare Tumors ◽

10.1177/20363613211010858 ◽

2021 ◽

Vol 13 ◽

pp. 203636132110108

Author(s):

Ashley D Hickman ◽

Evandro D Bezerra ◽

Anja C Roden ◽

Matthew T Houdek ◽

Jonathan D Barlow ◽

...

Keyword(s):

Respiratory Failure ◽

Soft Tissue ◽

Multimodal Treatment ◽

Unusual Case ◽

Case Reports ◽

Case Series ◽

Epithelioid Hemangioendothelioma ◽

Vascular Neoplasm ◽

Pulmonary Imaging ◽

Low Incidence

Epithelioid hemangioendothelioma (EHE) is a rare vascular neoplasm which typically originates from liver, lung, or bone. Due to the low incidence of disease, the most effective treatment is not easily studied and much of the information known about EHE has been learned through case reports and case series. In this case, we will present an uncommon form of primary soft tissue EHE with local recurrence, bone metastasis, and lymphangitic spread to the lungs leading to respiratory failure. Imaging of the chest was atypical for EHE with intraseptal thickening and hilar lymphadenopathy. Respiratory failure was progressive despite aggressive multimodal treatment. This case highlights an unusually aggressive recurrence and metastasis of primary soft tissue EHE with atypical pulmonary imaging findings.

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Thoracic spinal iophendylate-induced arachnoiditis mimicking an intramedullary spinal cord neoplasm

Journal of Neurosurgery Spine ◽

10.3171/spi/2008/8/3/292 ◽

2008 ◽

Vol 8 (3) ◽

pp. 292-294 ◽

Cited By ~ 12

Author(s):

Steven W. Hwang ◽

Rafeeque A. Bhadelia ◽

Julian Wu

Keyword(s):

Spinal Cord ◽

Magnetic Resonance ◽

Unusual Case ◽

Magnetic Resonance Images ◽

Intramedullary Spinal Cord ◽

Intramedullary Lesion ◽

Thoracic Spinal

✓Iophendylate (Pantopaque or Myodil) was commonly used from the 1940s until the late 1980s for myelography, cisternography, and ventriculography. Although such instances are rare, several different long-term sequelae have been described in the literature and associated with intrathecal iophendylate. The authors describe an unusual case of arachnoiditis caused by residual thoracic iophendylate imitating an expansile intramedullary lesion on magnetic resonance images obtained 30 years after the initial myelographic injection.

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Development of an Evaluation System for Magnetic Resonance Imaging Based Three-Dimensional Modeling of a Transfemoral Prosthetic Socket Using Finite Elements

Applied Sciences ◽

10.3390/app9183662 ◽

2019 ◽

Vol 9 (18) ◽

pp. 3662

Author(s):

Mohd Syahmi Jamaludin ◽

Akihiko Hanafusa ◽

Yamamoto Shinichirou ◽

Yukio Agarie ◽

Hiroshi Otsuka ◽

...

Keyword(s):

Magnetic Resonance ◽

Soft Tissue ◽

Computer Aided Design ◽

Evaluation System ◽

Three Dimensional ◽

Magnetic Resonance Images ◽

Future Research ◽

Tissue Deformation ◽

Soft Tissue Deformation ◽

Prosthetic Socket

Recent technologies have suggested the utilization of three-dimensional (3D) printing technology to enhance the fabrication accuracy of prosthetics. Accordingly, simulations are used to obtain precise parameters for subject-specified prosthetic socket. This study proposes an evaluation system to measure the accuracy of a subject-specific 3D transfemoral residuum model during the interaction with the socket in conjunction with the application of finite element methods. The proposed system can be used in future validations of socket fabrication. The evaluation is based on the measurement of the residuum’s soft tissue deformation inside two types of prosthetic sockets. In comparison with other studies, the 3D models were constructed with magnetic resonance images (MRI) with the aid of computer-aided design (CAD) software. The measurement of soft tissue deformation was conducted based on the measurement of the volumetric value of fat, muscle and skin in the pre- and post-donning phases. The result yielded a promising correlation coefficient value between the simulation and the experiment in the soft tissue deformation evaluation. The relation of the muscle–fat ratio in the residuum is extremely important in the determination of the ability of the prosthetic to deform. The environment during the socket fitting session was similar to that defined by the set boundary conditions in simulations. In view of the promising results of this study, the evaluation system proposed herein is considered reliable and is envisaged to be used in future research.

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Intramuscular Lipoma of the Flexor Hallucis Brevis Muscle

Journal of the American Podiatric Medical Association ◽

10.7547/15-082 ◽

2017 ◽

Vol 107 (1) ◽

pp. 80-84 ◽

Cited By ~ 1

Author(s):

Garrett Kalmar ◽

Nathalia Doobay

Keyword(s):

Skeletal Muscle ◽

Soft Tissue ◽

Unusual Case ◽

Mesenchymal Tumor ◽

Review Of The Literature ◽

Benign Mesenchymal Tumor ◽

Intramuscular Lipoma ◽

Soft Tissue Masses

An intramuscular lipoma is a deep-seated, rare, benign mesenchymal tumor that arises in skeletal muscle. These soft-tissue masses are rarely reported in the foot. We describe an unusual case of an intramuscular lipoma of the flexor hallucis brevis muscle. A review of the literature revealed only one previous report of this lesion in the foot.

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Generalised lymphangiomatosis in an 8-year-old girl who presented with cardiomegaly

Cardiology in the Young ◽

10.1017/s1047951111000205 ◽

2011 ◽

Vol 21 (4) ◽

pp. 465-467 ◽

Cited By ~ 1

Author(s):

Funda Öztunç ◽

Bülent Koca ◽

İbrahim Adaletli

Keyword(s):

Computed Tomography ◽

Prognostic Factors ◽

Magnetic Resonance ◽

Soft Tissue ◽

Rare Disease ◽

Magnetic Resonance Images ◽

Cystic Lesions ◽

Radiological Evaluation ◽

Soft Tissue Involvement ◽

Lower Neck

AbstractGeneralised lymphangiomatosis is a rare disease that is characterized by widespread bony and soft tissue involvement of lymphangioma. Radiological evaluation is crucial because the site and extent of the lymphangioma are important prognostic factors. The computed tomography, ultrasonography and magnetic resonance images showed sharply defined, non-enhanced cystic lesions involving the mediastinum, bones, spleen, lung, and lower neck. We report here a case that was referred to us for investigation of marked cardiomegaly.

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