CASE REPORT
A case of nodular-type muscular
sarcoidosis: findings of imaging, histopathology, and
polymerase chain reaction
Kenshi Sakayama1 , Yoshifumi
Sugawara2, Taketsugu Fujibuchi1,
Eiji Sada3, Teruki Kidani1, Joji
Miyawaki1, Nozomu Tanji4 and Haruyasu
Yamamoto1
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| (1) |
Department of Orthopaedic
Surgery, Ehime University School of Medicine,
Shitsukawa, Toon 791-0295, Japan |
| (2) |
Department of Radiology,
Ehime University School of Medicine, Toon, Japan |
| (3) |
Department of Medical
Technology, Faculty of Health Science, Ehime Prefectural
University of Health Science, Ehime, Japan |
| (4) |
Department of Urology,
Ehime University School of Medicine, Toon, Japan |
Received: 09 July
2004 Accepted: 08 November 2004
Abstract We report a case of nodular-type muscular
sarcoidosis with no systemic symptoms. Thallium-201
scintigraphy showed intense uptake in the muscular lesion
mimicking malignant soft tissue tumor. Magnetic resonance
imaging (MRI) demonstrated characteristic signal patterns
of peripheral high intensity with central low intensity
("three stripes" pattern). Microscopy revealed
sarcoid granuloma with typical histopathological characteristics.
Propionibacterium acnes was detected on polymerase
chain reaction analysis of the excised tissue.
Key words
Magnetic resonance imaging (MRI) - Muscular sarcoidosis
- Polymerase chain reaction (PCR) - Propionibacterium
acnes - Thallium-201 scintigraphy
