Introduction. Sarcoidosis is a chronic, multi-organ, inflammatory disease which predominantly affects the lungs. Although direct osseous involvement in sarcoidosis is rare, patients with this disease, regardless of the presence of osseous lesions, are at a great risk of developing osteoporosis. Osteoporosis is a consequence of the disease itself, as well as of its treatment. Osteodensitometry. Osteodensitometry is the gold standard for osteoporosis diagnosis, and it is based on the assessment of the bone mineral density. One of the main drawbacks of osteodensitometry as a method for osteoporosis verification is its inability to determine bone micro-architectonics, which is a significant element of bone strength. Mineral Bone Density in Patients with Sarcoidosis. It has been shown that newly diagnosed, yet untreated patients with sarcoidosis have rapid bone remodeling, although their mineral bone density is normal or low to normal. This suggests that the low bone strength in patients with sarcoidosis is a consequence of mechanisms that predominantly disturb the bone micro-architectonics, but they do not have a significant effect on the bone mineral density at the same time. Vertebral Fractures and their Diagnosis in Patients with Sarcoidosis. Normal bone mineral density in patients with sarcoidosis does not preclude skeletal fractures, primarily vertebral fractures. Osteodensitometry devices allow a relatively easy detection of vertebral fractures in patients with sarcoidosis. Conclusion. Osteodensitometry is recommended in every patient with sarcoidosis initially as well as during the follow up and treatment. Even if osteodensitometry is normal, the possibility of vertebral fractures should not be overlooked in these patients.