Bronchogenic Cyst
Lester D. R. Thompson, MD
Key Facts
Terminology
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Rare congenital malformation of ventral foregut
Clinical Issues
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Pediatric population, rare in adults
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Midline superficial presternal or suprasternal is most common neck location
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Male > > female (4:1)
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Presents with airway compression, dysphagia, infection, or may be asymptomatic
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Complete surgical excision is treatment of choice
Image Findings
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Best study: Contrast-enhanced T1WI or T2WI MR to show well-defined, solitary, smooth-bordered mass
Microscopic Pathology
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Cyst lined by respiratory-type epithelium
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Cyst wall with mucoserous glands, hyaline cartilage, and smooth muscle
TERMINOLOGY
Synonyms
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Bronchial cyst
Definitions
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Rare congenital malformation of ventral foregut
ETIOLOGY/PATHOGENESIS
Embryogenesis
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Derived from diverticula buds that separate from foregut during formation of tracheobronchial tree
CLINICAL ISSUES
Epidemiology
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Incidence
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Rare cystic lesion within the anterior neck
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Age
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Pediatric population, rare in adults
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Gender
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Male > > female (4:1)
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