PMID: 9531404Apr 8, 1998Paper

Sternocleidomastoid pseudotumor of infants and congenital muscular torticollis: fine-structure research

Journal of Pediatric Orthopedics
S TangD Zhang

Abstract

Fifty cases, 16 with sternocleidomastoid pseudotumor of infants (SCMPOI) and 34 with congenital muscular torticollis (CMT), were investigated by light and electron microscopy. The ultrastructure of the pseudotumor revealed that there were myoblasts, fibroblasts, myofibroblasts, and mesenchyme-like cells, which consisted of fibrous tissue and were regarded as fibroblasts only in the literature. The myoblasts showed the various stages of differentiation and degeneration. For those cases without mass, the collagen fibrils and fibrocytes were often arranged in tight parallel bundles in which some muscles showed normal structure and some with decreased myofibrillae. The mesenchyme-like cells and myoblasts found in the pseudotumor may be the key point to its pathologic characteristics.

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Citations

Nov 28, 2008·BMC Musculoskeletal Disorders·Farzad Omidi-KashaniMahdi Mazlumi
Nov 10, 2013·Annals of Maxillofacial Surgery·Kumar Nilesh, Srijon Mukherji
Jan 24, 2016·Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes·Ji Hwa RyuHye Jin Baek
Jun 16, 2009·Magnetic Resonance Imaging Clinics of North America·Rebecca Stein-Wexler
Jun 23, 2009·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Il Jae LeeMyong Chul Park
Dec 27, 2005·Pediatric Neurology·Burak TatliGonul Acar
Dec 15, 2005·Pediatric Rehabilitation·L A van VlimmerenR H H Engelbert
Jan 27, 2015·Journal of Human Lactation : Official Journal of International Lactation Consultant Association·Catherine Watson Genna
Mar 30, 2017·Pediatric Physical Therapy : the Official Publication of the Section on Pediatrics of the American Physical Therapy Association·Magdalena Oledzka, Maureen Suhr
May 11, 2019·Der Orthopäde·M Götze, S Hagmann

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