Painful Unilateral Temporalis Muscle Enlargement: Reactive Masticatory Muscle Hypertrophy

被引：11

作者：

Katsetos C.D. ^{[1
,2
]}

Bianchi M.A. ^{[3
]}

Jaffery F. ^{[3
]}

Koutzaki S. ^{[2
]}

Zarella M. ^{[2
]}

Slater R. ^{[4
]}

机构：

[1] Department of Pediatrics, Drexel University College of Medicine, Section of Neurology, St. Christopher's Hospital for Children, Philadelphia, PA

[2] Department of Pathology and Laboratory Medicine, Drexel University College of Medicine, Philadelphia, PA

[3] Division of Oral and Maxillofacial Surgery, Department of Surgery, Drexel University College of Medicine, Philadelphia, PA

[4] Penn NeuroCare, Drexel Hill, PA

来源：

Head and Neck Pathology | 2014年 / 8卷 / 2期

关键词：

Fiber type 1 predominance; Image analysis; Otsu thresholding; Pain; temple; Reactive masticatory muscle hypertrophy; Temporalis muscle hypertrophy;

D O I：

10.1007/s12105-013-0480-x

中图分类号：

学科分类号：

摘要：

An instance of isolated unilateral temporalis muscle hypertrophy (reactive masticatory muscle hypertrophy with fiber type 1 predominance) confirmed by muscle biopsy with histochemical fiber typing and image analysis in a 62 year-old man is reported. The patient presented with bruxism and a painful swelling of the temple. Absence of asymmetry or other abnormalities of the craniofacial skeleton was confirmed by magnetic resonance imaging and cephalometric analyses. The patient achieved symptomatic improvement only after undergoing botulinum toxin injections. Muscle biopsy is key in the diagnosis of reactive masticatory muscle hypertrophy and its distinction from masticatory muscle myopathy (hypertrophic branchial myopathy) and other non-reactive causes of painful asymmetric temporalis muscle enlargement. © 2013 Springer Science+Business Media New York.

引用

页码：187 / 193

页数：6

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