Malignant osteopetrosis

a disease of abnormal osteoclast osteoclast proliferation

S. L. Teitelbaum, Peter Felix Coccia, D. M. Brown, A. J. Kahn

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Bone biopsies were obtained from two infants with the malignant form of congenital osteopetrosis. Nondecalcified histological sections of each biopsy contained vast numbers of osteoclasts occupying virtually the entire residual marrow space. Despite the apparent failure of normal bone resorption in both patients, the osteoclasts of one appeared histologically and ultrastructuraliy normal, exhibiting ruffled membrane formation and evidence of acid phosphatase synthesis and secretion. In contrast, the osteoclasts of the second patient were unusually shaped, abnormally large and contained no ruffled membranes. It is concluded that the bone marrow failure which appears in the malignant, as compared to the benign form of osteopetrosis, is at least in part due to replacement of hematopoietic precursors by osteoclasts. Furthermore, the different cytological appearance of the osteoclasts of each patient suggests that a spectrum of pathogenetic mechanisms may be responsible for the development of the disease. Finally, ruffled membrane formation by the osteoclasts of one patient calls into question the assumption that this morphological feature is invariably associated with bone resorption.

Original languageEnglish (US)
Pages (from-to)99-105
Number of pages7
JournalMetabolic Bone Disease and Related Research
Volume3
Issue number2
DOIs
StatePublished - Jan 1 1981

Fingerprint

Osteopetrosis
Osteoclasts
Bone Resorption
Membranes
Bone Marrow
Biopsy
Acid Phosphatase
Bone and Bones

Keywords

  • Acid phosphatase
  • Bone histology
  • Electron microscopy
  • Osteoclasts
  • Osteopetrosis
  • Ruffled membrane

ASJC Scopus subject areas

  • Surgery
  • Endocrinology, Diabetes and Metabolism

Cite this

Malignant osteopetrosis : a disease of abnormal osteoclast osteoclast proliferation. / Teitelbaum, S. L.; Coccia, Peter Felix; Brown, D. M.; Kahn, A. J.

In: Metabolic Bone Disease and Related Research, Vol. 3, No. 2, 01.01.1981, p. 99-105.

Research output: Contribution to journalArticle

Teitelbaum, S. L. ; Coccia, Peter Felix ; Brown, D. M. ; Kahn, A. J. / Malignant osteopetrosis : a disease of abnormal osteoclast osteoclast proliferation. In: Metabolic Bone Disease and Related Research. 1981 ; Vol. 3, No. 2. pp. 99-105.
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