👉 Cystenchymatous refers to a type of bone that is characterized by the presence of numerous, interconnected bone cysts. These cysts are often found in the vertebral column and can be associated with various conditions such as osteoporosis, rheumatoid arthritis, and inflammatory disorders like psoriatic arthritis. In summary: Cystenchymatous refers to a type of bone that is characterized by the presence of numerous, interconnected bone cysts.