Question 1

how do they do tissue typing for bone marrow if they just swab your cheek?

Accepted Answer

DNA methodology: Tissue typing is based on hla (human leukocyte antigen) typing originally performed by serologic methods using different known sera to be mixed with white cells (lymphocytes) obtained from the blood. Today, using dna sequencing or PCR (polymerase chain reaction) technology, any tissue in the body (easiest to get is buccal mucosa cells in saliva) could be used as source of dna for study.

Question 2

what are the causes of blastic and lytic lesions on bone?

Accepted Answer

Bone mets: Some bone mets stimulate an abnormal bone formation response.  Osteoblasts are the cells that form bone.  If this response predominates, the met looks dense(sclerotic) relative to adjacent bone, and are called osteoblastic.  If instead the mets cause a bone destructive response, they are called osteolytic.  Some cancers can cause both lytic or blastic lesions.

Question 3

what are types of bone tissue?

Accepted Answer

Two types: Compact and spongy. The names imply that the two types of differ in density, or how tightly the tissue is packed together. There are three types of cells that contribute to bone homeostasis. Osteoblasts are bone-forming cell, osteoclasts resorb or break down bone, and osteocytes are mature bone cells. An equilibrium between osteoblasts and osteoclasts maintains bone tissue.

Question 4

what types of illnesses or conditions is bone scanning used to diagnose?

Accepted Answer

Bone scan: Osteoarthritis, inflammatory problems, cancer(localized and metastasis), bone infection(osteomyelitis),fractures.

Question 5

which of these two tissue types do you think would heal faster following an injury? (a) cartilage or bone?

Accepted Answer

Always cartilage: The stages of healing bone fractures are: blood clots are organized by chondroblast cells into cartilage. Then invading osteoblasts convert the cartilage in bone structure; which is constantly being remodeled by both osteoclast &amp; osteoblast cells; influenced by blood flow; physical stress loads, etc. Yet many genetic, epigenetic; physiologic controls remain poorly understood.

Question 6

what are the different types of bone fractures?

Accepted Answer

Many types...: The basic categories would be open or closed, i.E whether there is an associated break in the overlying skin exposing the fracture to the outside and thereby increasing chance of infection. Also, intra or extra articular, i.e.Whether it is involving the joint. Also, comminuted, i.E whether the break involves two or more pieces. And lastly, displaced, that is whether the pieces have moved or not.

Question 7

what type of doctor specializes in treating bones?

Accepted Answer

Orthopedics: Ortho's are the physicians that work mainly with diagnosing and surgically correcting bones and joints, although many specialties, from sports med to physiatry also work in the realm. Orthos are the specialists in this area. Hope this helps!

Question 8

what is the cause of lytic bone lesions and hypercalcemia?

Accepted Answer

Multiple sclerosis: Disease multiple sclerosis or tumor could cause fracture and degeneration.

Question 9

what type of metal do they use for bone reconstructive surgery?

Accepted Answer

Various: There are many metal types used.  Most are alloys and are not one metal.  Some plates are stainless steel.  Some are titanium.  Most nails or rods are made of titanium.  Joint replacements are made of many different alloys and there are too many to list here.  Most common is cobalt chrome.

Question 10

is there anything that can spur individual bone growth to mitigate brachydactyly type e?

Accepted Answer

Yes: The best resource for such a question would be a hand surgeon.  I have seen case reports of treatments with various measures, from surgical implants to types of traction; it was the traction that caused actual bone growth.  In general, though, it is my understanding that in most cases treatment is not necessary.

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Doctor answers about:

What are the three types of bone lesions

A member asked:

How do they do tissue typing for bone marrow if they just swab your cheek?

A member asked:

What are the causes of blastic and lytic lesions on bone?

A member asked:

What are types of bone tissue?

A member asked:

What types of illnesses or conditions is bone scanning used to diagnose?

A member asked:

Which of these two tissue types do you think would heal faster following an injury? (a) cartilage or bone?

A member asked:

What are the different types of bone fractures?

A member asked:

What type of doctor specializes in treating bones?

A member asked:

What is the cause of lytic bone lesions and hypercalcemia?

A member asked:

What type of metal do they use for bone reconstructive surgery?

A member asked:

Is there anything that can spur individual bone growth to mitigate brachydactyly type e?

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