Introduction
Hello Stemsocial family! It has been some time since I posted something here, and that's mainly because of studying and research, as I'm currently preparing for USMLE Step 1 and working on three different researches that are almost done and waiting to be published. I thought multiple times about making posts again, but I was hesitant that I would be inconsistent. However, I made my decision to start making posts again and try to have a fixed schedule for posts, while at the same time keeping the quality of them as high as possible.
So, after all that time, for sure I will change a few things in my way of making posts, but don't worry, it will be for the better.
Alright, that is enough for an introduction; let's jump to the main topic.
Overview
Source I have canva pro so it's not giving me a referrence to copy like before, update me if there is something I need to do.
We might think that the thicker the bones are, the more firm and solid they are, yet what if that is a pathological condition? That's our topic today, which is "osteopetrosis."
Osteopetrosis is a rare genetic disorder characterized by an abnormal increase in bone density, causing the bones to become brittle and susceptible to fractures. The disease can also affect the development of the bones and the functioning of the bone marrow, which can lead to other medical problems such as anemia and decreased immunity.
You might be wondering how it causes anemia or decreases immunity. In particular, the increased bone density can lead to a decrease in the space available for bone marrow within the bones, and as you know, bone marrow produces blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets, so depletion of RBCs leads to anemia, while depletion of WBCs leads to decreased immunity.
Types
There are different forms of osteopetrosis, which can vary in their severity and the age at which they appear. The most common form, known as autosomal dominant osteopetrosis, is inherited in an autosomal dominant pattern and typically appears in childhood. Other two types are autosomal recessive, and X-linked recessive
Cause
The underlying cause of osteopetrosis is a deficiency in the activity of cells known as osteoclasts, which are responsible for breaking down old bone tissue. As a result, old bone tissue accumulates and the bones become thicker and denser.
Diagnosis and Treatment
Diagnosis of osteopetrosis typically involves a combination of medical history, physical examination, imaging studies (such as X-rays), and laboratory tests (such as blood tests). There is no cure for the disease, but treatment may include medications to support bone health, surgery to correct bone deformities, and bone marrow transplantation in severe cases.
In The End
Hopefully this post was informative, simple, and an enjoyable topic for you. Actually many topics were in my mind, yet I thought this one would make a good post, so hope it was. Thanks for reading through, and until next time!
References:
- Overview
- Boards and Beyond slides, and First aid book.
- Types
- Cause
- Diagnosis & Treatment
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Simple and informative. Thanks for the post