Bone pain: Difference between revisions
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|bgcolor="Beige"| [[Cytosine arabinose syndrome]], [[Granulocyte colony stimulating factor]], [[Leflunomide]], [[Tretinoin]] | |bgcolor="Beige"| [[Cidofovir]], [[Cytosine arabinose syndrome]], [[Cytarabine]], [[Filgastrim]], [[Fulvestrant]], [[Goserelin]], [[Granulocyte colony stimulating factor]], [[Leflunomide]], [[Letrozole]], [[Oprelvekin]], [[Pergolide]], [[Sargramostim]], [[Tbo-filgrastim]], [[Tretinoin]], [[Vinblastine]], [[Zoledronate]] | ||
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*[[Chronic myeloproliferative disorders]] | *[[Chronic myeloproliferative disorders]] | ||
*[[Chronic recurrent multifocal osteomyelitis]] | *[[Chronic recurrent multifocal osteomyelitis]] | ||
*[[Cidofovir]] | |||
*[[Cytomegalic inclusion body disease]] | *[[Cytomegalic inclusion body disease]] | ||
*[[Cytosine arabinose syndrome]] | *[[Cytosine arabinose syndrome]] | ||
*[[Cytarabine]] | |||
*[[Deafness-lymphoedema-leukemia]] | *[[Deafness-lymphoedema-leukemia]] | ||
*[[Di Guglielmo syndrome]] | *[[Di Guglielmo syndrome]] | ||
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*[[Fanconi syndrome]] | *[[Fanconi syndrome]] | ||
*[[Fibrous Dysplasia]] | *[[Fibrous Dysplasia]] | ||
*[[Filgastrim]] | |||
*[[Fracture of bone]] | *[[Fracture of bone]] | ||
*[[Gaucher disease]] | *[[Gaucher disease]] | ||
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*[[Oncogenic osteomalacia]] | *[[Oncogenic osteomalacia]] | ||
*[[Opiate withdrawal]] | *[[Opiate withdrawal]] | ||
*[[Oprelvekin]] | |||
*[[Osteitis]] | *[[Osteitis]] | ||
*[[Osteitis condensans]] | *[[Osteitis condensans]] | ||
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*[[Parathyroid cancer]] | *[[Parathyroid cancer]] | ||
*[[Pathological fracture]] | *[[Pathological fracture]] | ||
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*[[Periosteal chondrosarcoma]] | *[[Periosteal chondrosarcoma]] | ||
*[[Phosphate diabetes]] | *[[Phosphate diabetes]] | ||
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*[[Rickets]] | *[[Rickets]] | ||
*[[SAPHO syndrome ]] | *[[SAPHO syndrome ]] | ||
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*[[Scheuermann's disease]] | *[[Scheuermann's disease]] | ||
*[[Schnitzler syndrome]] | *[[Schnitzler syndrome]] | ||
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[[Category:Pain]] | |||
[[Category:Skeletal system]] | |||
[[Category:Symptoms]] | |||
[[Category:Signs and symptoms]] | |||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
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Latest revision as of 15:13, 2 June 2015
Template:DiseaseDisorder infobox
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Synonyms and keywords: Ostealgia; Osteodynia.
Overview
Bone pain is a debilitating form of pain emanating from the bone tissue. It occurs as a result of a wide range of diseases and/or physical conditions and may severely impair the quality of life for patients who suffer from it.[1] Bone pain has multiple causes, such as extensive physical stress and diseases such as cancer.[2][3] For many years it has been known that bones are innervated with sensory neurons. Yet their exact anatomy remained obscure due to the contrasting physical properties of bone and neural tissue.[4] However, until recently, it was not determined what types of nerves innervated which sections of bone.[5] The periosteal layer of bone tissue is highly pain-sensitive and an important cause of pain in several disease conditions causing bone pain, like fractures, osteoarthritis, etc. However, in certain diseases the endosteal and haversian nerve supply seems to play an important role, e.g. osteomalacia, osteonecrosis, and so on.[6] Thus there are several types of bone pain, each with many potential sources or origins of cause.
Pathophysiology
Stimulation of specialized pain-sensitive nerve fibers (nociceptors) that innervate bone tissue leads to the sensation of bone pain. Bone pain originates from both the periosteum and the bone marrow which relay nociceptive signals to the brain creating the sensation of pain. Bone tissue is innervated by both myelinated (A beta and A delta fiber) and unmyelinated (C fiber) sensory neurons. In combination, they can provide an initial burst of pain, initiated by the faster myelinated fibers, followed by a slower and longer lasting dull pain initiated by unmyelinated fibers.[3][5]
Nociceptors responsible for bone pain can be activated via several mechanisms including deterioration of surrounding tissue, bone destruction,[1] and physical stress which shears the bone, vascular, muscle, and nervous tissue.
Bone Cancer
Bone cancer is one of the most serious forms of pain. Because of its severity and uniqueness with respect to other forms of pain, it is extensively researched. According to studies of bone cancer in mouse femur models, it has been determined that bone pain related to cancer occurs as a result of destruction of bone tissue. Chemical changes that occur within the spinal cord as a result of bone destruction give further insight into the mechanism of bone pain.[1]
Metastatic cancer cells often aim to establish themselves within the skeleton. When the cancer cells have metastasized, the mechanical dynamics of the bone matrix become weaker as skeletal strength decreases. This leads to several other complications throughout the body including pain, thus decreasing the patient’s quality of life.[7]
Bone tumors are composed of a conglomeration of cell types including cancer and immune system cells. Oftentimes tumor cells secrete growth factors which activate receptors close to primary afferent neurons. Activation of these neural receptors is a contributing factor to pain sensation. Additionally, inflammatory lipids called prostaglandins, which are produced at high rates by cancer cells within tumors, activate nociceptors when they bind together.[3]
Diseases affecting bones
- Viral illness (such as a cold that has spread to the bones/joints)
- Leukemia (blasts that have surfaced to the top of the bone, often with tenderness)less common)
- Blood infection (anemia/other)
- Trauma to the bone (such as a fall)
- Arthritis pain
- Weather changes
- Fibromyalgia (widespread body pain with tenderness)
- Cancer - can be primary bone tumor or spread from another cancer known as a Bony metastasis.
- Paget's disease
- Osteoporosis
Causes
Common Causes
Causes by Organ System
Causes in Alphabetical Order
Treatment
The use of anesthetics within the actual bone has been a common treatment for several years. This method provides a direct approach using analgesics to relieve pain sensations.[4]
Another commonly used method for treating bone pain is radiotherapy, which can be safely administered in low doses. Radiotherapy utilizes radioactive isotopes and other atomic particles to damage the DNA in cells, thus leading to cell death. By targeting cancer tumors, radiotherapy can lead to decrease in tumor size and even tumor destruction.[8] A form of radiotherapy that is often used in cases of bone cancer is systemic radioisotope therapy, where the radioisotopes target sections of the bone specifically undergoing metastasis.
In the case of bone fractures, surgical treatment is generally the most effective. Analgesics can be used in conjunction with surgery to help ease pain of damaged bone.[8]
Scientific Research and Future Treatments
Mouse and other animal models are being heavily used to determine the neuron tissue densities in bone[5] and mechanisms for maintenance of bone pain.[1] This information is pertinent to determining the biological and physiological components of pain in the bone. By creating a detailed map relating the types of nerves going through the different sections of bone, it is possible to pin-point locations in the bone that are at a higher risk of being susceptible to bone pain.
Treatments focusing on biological components such as cannabinoid receptors are being tested for effectiveness. Through testing in mouse models, it has been shown that activation of the CB-1 receptor helps reduce reactions associated with acute pain, indicating that it alleviates bone pain. Thus, a new target for potential treatments is activation of the CB-1 receptor.[9]
Modern research and techniques are attempting to provide longer lasting and more effective methods of treating bone pain by developing and applying new physiological knowledge of nervous tissue within the bone. If thorough understanding of the intra-neuronal mechanisms relating to pain can be developed, then new and more effective treatment options can be created and tested. Thus, it is critical to fully understand the mechanism which dictates bone pain.
References
- ↑ 1.0 1.1 1.2 1.3 Luger, N. Mach, D. Sevcik, M. Mantyh, P. (2005). Bone cancer pain: From mechanism to model to therapy. Journal of Pain and Symptom Management. 29(5): 32-46.
- ↑ Zwas, T. Elkanovitch, R. George, F. (1987). Interpretation and Classification of Bone Scintigraphic Findings in Stress Fractures. Journal of Nuclear Medicine. 28: 452-457.
- ↑ 3.0 3.1 3.2 Mantyh, P. Clohisy, D. Koltzenburg, M. Hunt, S. (2002). Molecular Mechanism of Cancer Pain. Nature Reviews: Cancer. 2: 201-209.
- ↑ 4.0 4.1 McCredie J (2007). Nerves in bone: the silent partners. Skeletal Radiology. 36: 473–475.
- ↑ 5.0 5.1 5.2 Mach, D. Rogers, S. Sabino, M. Luger, N. Schwei, M. Pomonis, J. Keyser, C. Clohisy, D. Adams, D. O’leary, P. Mantyh, P. (2002). Origins of skeletal pain: Sensory and sympathetic innervation of the mouse femur. Neuroscience. 113(1):155-166.
- ↑ "Bone Pain Causes, Symptoms, and Treatment".
- ↑ von Moos, R. Strasser, F. Gillessen, S. Zaugg, K. (2008). Metastatic bone pain: treatment options with an emphasis on bisphosphonates. Supportive Care in Cancer. 16(10): 1105-1115.
- ↑ 8.0 8.1 Mercadante, S. (1997). Malignant bone pain: Pathophysiology and treatment. Pain. 69(1-2):1-18.
- ↑ Furuse, S. Kawamata, T. Yamamoto, J. Niiyama, Y. Omote, K. Watanabe, M. Namiki, A.(2009). Reduction of Bone Cancer Pain by Activation of Spinal Cannabinoid Receptor 1 and Its Expression in the Superficial Dorsal Horn of the Spinal Cord in a Murine Model of Bone Cancer Pain. Anesthesiology. 111: 173–86.
External links