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Primary leiomyosarcoma of bones – a rare entity in two different presentations

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Duminda W. D., Samarathunga D. R., Anupama A. A. G. H., Sooriyarachchi R., Navarathna P. A. G., Rathnayaka R. M. A. S., Liyanage R. L. P. R., Malhasi I. W. G. A. L.
European Journal of Clinical and Experimental Medicine
|
2021
|
issue 4
333-340
EN
Introduction. Leiomyosarcomas (LMS) originate from smooth muscle cells. They are very rare malignant neoplasms. Bony Leiomyosarcoma is a variant of spindle cell sarcoma, primarily affecting long bones, predominantly the distal femur and the proximal tibia followed by craniofacial skeleton. Aim. To describe clinical presentation and diagnostic approach of primary leiomyosarcoma of bones in two different patients. Description of the cases. Case 1. A 64-year-old male with a fracture of left distal femur after a fall was investigated and found to have a pathological fracture. An open biopsy of the fracture site confirms leiomyosarcoma. Case 2. A 58-year-old previously healthy female presented with a swelling on right side mandibular region. Orthopantomogram radiograph (OPG) of mandible and Cone beam CT (CBCT) mandible was taken initially and revealed a large area of bone destruction of the right side of the mandible associated with a soft tissue mass. Initial incisional biopsy made the diagnosis of spindle cell sarcoma followed by excisional biopsy, which confirms the diagnosis of moderately differentiated leiomyosarcoma. Conclusion. Primary leiomyosarcoma of bones is very rare. Imaging features are helpful in the evaluation of such conditions, but final diagnosis should be based on histopathologic and immunohistochemical features.
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Bones and Concertina: The Sailors’ Instruments that Have Survived Over the Centurie

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Mikołajko A.
Kwartalnik Młodych Muzykologów UJ
|
2020
|
issue 2(45) ENG
121-138
EN
The history of the sailors' instruments is currently a barely investigated area. In the past, bones were used frequently in a variety of music genres, whereas today they seem to be forgotten in certain countries. The simplicity of playing that once was their advantage has also resulted in the small number of written sources concerning the technique of playing as well as the way of producing of this instrument. Despite this fact, bones were the ground for what is called the "musical recycling". Concertina, in spite of its much more complicated structure and technique of playing, is more popular and has been described in several secondary sources. There are even schools of playing on this instrument available. Unfortunately, concertina is rarely used in concert halls too. Both instruments, thanks to their simplicity and small size, visited almost every part of the world in the era of great sailing ships, but today they remain known and used only in specialised environments.
3
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Bones (kości) i concertina – instrumentarium żeglarskie, które przetrwało przez wieki

100%
Mikołajko A.
Kwartalnik Młodych Muzykologów UJ
|
2020
|
issue 2(45)
127-142
EN
The history of the sailors' instruments is currently a barely investigated area. In the past, bones were used frequently in a variety of music genres, whereas today they seem to be forgotten in certain countries. The simplicity of playing that once was their advantage has also resulted in the small number of written sources concerning the technique of playing as well as the way of producing of this instrument. Despite this fact, bones were the ground for what is called the "musical recycling". Concertina, in spite of its much more complicated structure and technique of playing, is more popular and has been described in several secondary sources. There are even schools of playing on this instrument available. Unfortunately, concertina is rarely used in concert halls too. Both instruments, thanks to their simplicity and small size, visited almost every part of the world in the era of great sailing ships, but today they remain known and used only in specialised environments.
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