Random pulmonary nodules refer to a distribution pattern of pulmonary nodules where their pattern of involvement with respect to the lung lacks an architectural predominance. These nodules affect the fissures, peribronchovascular structures and the center of the secondary pulmonary nodules. They can range from a number of pathologies. They can have variable density and may or may not be uniformly distributed. Some may have haematogenous origin 1,4, and some may even have a zonal predilection 1.
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