Which type of osteoporosis is associated with aging (senile osteoporosis)?

• A. Type II
• B. Type I
• C. Osteomalacia
• D. Secondary

Answer: (A)

Recognizing age-related bone loss as a distinct form of osteoporosis is the key idea here. Senile osteoporosis refers to the osteoporosis that develops with aging, typically in older adults, and is classified as Type II. In this form, bone loss occurs gradually and affects both cortical and trabecular bone, reflecting a general decline in bone formation with age rather than a hormone-driven spike in bone resorption. This contrasts with the postmenopausal form, where estrogen deficiency accelerates trabecular bone loss and fractures tend to occur earlier in life. Osteomalacia involves defective mineralization of bone, not osteoporosis, and secondary osteoporosis results from another medical condition or factor. So the aging-related, senile form fits best as the Type II pattern of osteoporosis.