Pediatric Torticollis Surgery Workup
- Author: Amulya K Saxena, MD, PhD; Chief Editor: Marleta Reynolds, MD more...
Laboratory Studies
- No specific laboratory blood tests are required in the workup of patients with torticollis.
Imaging Studies
- Although the diagnosis is easily made upon physical examination by an experienced clinician, ultrasonography is the most commonly ordered test.[9, 10]
- MRI may be useful in patients with nonmuscular causes of torticollis; however, MRI is not recommended in asymptomatic patients with infantile torticollis.[11]
Diagnostic Procedures
- Clinical examination
- The entire length of the muscle must be palpated to determine if fibrosis or an area of fibrosis is present along the entire length of the muscle.
- The anterior border of the muscle must be palpated. It generally stands out as a tight band. This may be difficult to detect in small infants because the neck is relatively short.
- Alternative differential diagnoses must be considered if the muscle is neither short nor prominent.
- Differential diagnosis
- Abnormal position in utero
- Cervical hemivertebrae
- Cervical lymphadenitis
- Cervical abscess
- Retropharyngeal abscess
- Ocular muscle torticollis
- Tumors of the posterior fossa
- Atlantooccipital subluxation
- Sandifer syndrome
- Postural abnormalities
Histologic Findings
Histopathologic findings include fibrous replacement of skeletal muscle fibers that undergo atrophy. The degree of fibrosis and its extent or distribution may vary. Even in neonates, the fibrous tissue is mature. This finding indicates that the disease began before birth.
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