CTICasesPoland Syndrome with Costal Cartilage Aplasia
Imaging findings
A patient presented with classic features of Poland syndrome, including a relatively lucent left hemithorax due to the absence of the pectoralis muscles, and dextroposition of the heart. CT confirmed the absence of the pectoralis muscles and additionally revealed aplasia of some costal cartilages on the affected left side, alongside a persistent left superior vena cava. Clinically, the patient also had fused and stubby fingers.
Key takeaways
Poland syndrome is a congenital developmental anomaly characterized by unilateral absence or underdevelopment of the pectoralis muscles. Associated findings commonly include ipsilateral hand abnormalities (syndactyly, brachydactyly) and, less commonly, aplasia of costal cartilages. The presence of a persistent left superior vena cava is also a recognized, albeit less frequent, association.
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