What is histoplasmosis?does it affects lungs forming very small nodule, bcz of my lung nodule.can it be seen in ct, ?

Fungus: Histo is a very common fungus. Histoplasmosis is the disease state, and includes in the lungs, liver, spleen with small and potential enlarging non cancerous nodules.These can be of a size to be seen on ct. Larger than 3 -5 mm. And are frequently multiple in an individual. Most are asymptomatic and found on x-rays and cts.

Yes: Yes, it can show as nodules in imagines. Consult your doctor for diagnosis and treatment should it become necessary.