Kartagener Syndrome Features

Kartagener syndrome is a rare genetic disorder, a subtype of Primary Ciliary Dyskinesia (PCD). It is characterized by defects in the cilia, microscopic hair-like structures that help move mucus and fluids. This condition typically follows an Autosomal Recessive inheritance pattern.

The classic triad of symptoms includes:

• Situs inversus (transposition of visceral organs)
• Chronic recurrent sinusitis (Recurrent Sinusitis)
• Bronchiectasis (persistent inflammation and widening of airways, leading to Bronchiectasis)

Analyzing the Options

Let's examine each feature provided in the options:

• Recurrent Sinusitis: This is a hallmark feature of Kartagener syndrome due to impaired ciliary function in the respiratory tract, leading to mucus buildup and infections.
• Transposition of Viscera: This refers to situs inversus, where the major visceral organs are reversed from their normal positions. It occurs because of abnormal ciliary beating during embryonic development. This is a key feature.
• Autosomal Dominant: Kartagener syndrome is inherited in an Autosomal Recessive manner, meaning a person must inherit two copies of the affected gene (one from each parent) to have the condition. Therefore, Autosomal Dominant inheritance is NOT a feature.
• Bronchiectasis: Chronic inflammation and recurrent infections, resulting from poor mucus clearance, often lead to bronchiectasis in patients with Kartagener syndrome.

Based on the analysis, the feature that is NOT associated with Kartagener syndrome is Autosomal Dominant inheritance.