scholarly journals Myositis ossificans with hoffa’s disease (Lipoma Arborescens): Usual mimicker of soft tissue sarcoma

2019 ◽  
Vol 4 (2) ◽  
pp. 173-176
Author(s):  
Dhiraj B Nikumbh ◽  
◽  
Parvez Mujawar ◽  
2014 ◽  
Vol 18 (2) ◽  
Author(s):  
John M. Zietkiewicz

Post-traumatic myositis ossificans (PTMO) is characterised by abnormal heterotopic boneformation involving striated muscle. PTMO is usually associated with trauma and is most common in the second and third decades. An important teaching point is that in the early or subacute phase, clinical and imaging features can mimic a soft-tissue sarcoma. A combination of imaging modalities is required to evaluate the muscle lesion.


2019 ◽  
Vol 15 (5) ◽  
pp. e57-e59
Author(s):  
Elena Espinosa Muñoz ◽  
Diego Ramírez Ocaña ◽  
Ana María Martín García ◽  
Carmen Puentes Zarzuela

2021 ◽  
Vol 0 ◽  
pp. 1-4
Author(s):  
David Pollock ◽  
Satyen Shukla ◽  
James Trainer ◽  
Micheal Pyper

Myositis ossificans (MO) is a benign, self-limiting condition characterized by abnormal ossification of soft tissue. MO occurs most commonly in the setting of trauma, however can also develop spontaneously. A peripheral rim of zonal calcification within the affected region represents the classic late-stage appearance and is considered virtually pathognomonic. During the early stages of MO development, diagnostic uncertainty may, however, arise as its imaging features can demonstrate overlap with malignant lesions such as soft-tissue sarcoma. This may lead to unnecessary further investigations, including image-guided biopsy. Recognition of the imaging features of early MO using magnetic resonance imaging (MRI) can provide the radiologist with more diagnostic certainty and help obviate the need for unnecessary investigation of this benign entity. This case offers an example of how MRI can achieve this diagnosis during the early multimodality investigation of an indeterminate soft-tissue mass.


Author(s):  
J. P. Brunschwig ◽  
R. M. McCombs ◽  
R. Mirkovic ◽  
M. Benyesh-Melnick

A new virus, established as a member of the herpesvirus group by electron microscopy, was isolated from spontaneously degenerating cell cultures derived from the kidneys and lungs of two normal tree shrews. The virus was found to replicate best in cells derived from the homologous species. The cells used were a tree shrew cell line, T-23, which was derived from a spontaneous soft tissue sarcoma. The virus did not multiply or did so poorly for a limited number of passages in human, monkey, rodent, rabbit or chick embryo cells. In the T-23 cells, the virus behaved as members of the subgroup B of herpesvirus, in that the virus remained primarily cell associated.


2020 ◽  
Author(s):  
S Weiß ◽  
A Korthaus ◽  
K-H Frosch ◽  
C Schlickewei ◽  
M Priemel

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