The images are not necessarily from this case.
Normal Histology
- Detail of an osteoclast, a giant, multinucleated cell associated with bone
resorption. Dr John Clancy
- EM of an osteoclast, with its ruffled border next to the area where bony
matrix is being resorbed. Dr John Clancy
- Detail of bone-forming osteoblasts lined up along the inner edge of bone next to the marrow cavity.
Dr John Clancy
- Spicules of spongy bone surrounded by a whole line-up of osteoblasts.
Dr John Clancy
- EM of active osteoblast laying down the fibers and salts of bone.
Dr John Clancy
- Low power of parathyroid.
Dr John Clancy
Pathology
- Parathyroid adenoma: the surgical specimen consists of a cut section of parathyroid gland. The normal gland is replaced by a well defined, brown neoplasm. Normal parathyroid glands generally do not exceed 0.5 cm in greatest dimension.
Dr Ralph Leischner
- Parathyroid adenoma:
a microscopic section of the parathyroid gland reveals an adenoma. The neoplasm is composed of sheets of uniform cells displacing adipose cells. The expanding neoplasm compresses adjacent normal parathyroid tissue.
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Dr Ralph Leischner
- Parathyroid adenoma: a microscopic section reveals an adenoma. The neoplasm is composed of a sheet of uniform cells. Each cell contains pink cytoplasm and a round dark nucleus. Note the absence of adipose cells.
Dr Ralph Leischner
Clinical
Radiology
- Hyperparathyroidism
- Osteporosis
- Normal Vertebra
- Vertebra in osteoporosis
- Schmorl's nodule
- Anterior wedging
- Paget's disease
Send comments to Dr. A.J.
Chandrasekhar M.D.