ANATOMY

Detailed explanation-1: -Hypothyroidism happens when the thyroid gland doesn’t make enough hormones. Conditions or problems that can lead to hypothyroidism include: Autoimmune disease. The most common cause of hypothyroidism is an autoimmune disease called Hashimoto’s disease.

Detailed explanation-2: -Myxedema also refers to the swelling of the skin and soft tissue that occurs in patients who are hypothyroid. Myxedema coma occurs when the body’s compensatory responses to hypothyroidism are overwhelmed by a precipitating factor such as infection.

Detailed explanation-3: -Myxedema coma occurs as a result of long-standing, undiagnosed, or undertreated hypothyroidism and is usually precipitated by a systemic illness. Myxedema coma can result from any of the causes of hypothyroidism, most commonly chronic autoimmune thyroiditis.

Detailed explanation-4: -Myxedema can occur in: Hyperthyroidism, associated with pretibial myxedema and exophthalmos. Pretibial myxedema can occur in 1–4% of patients with Graves’ disease, a cause of hyperthyroidism. Hypothyroidism, including Hashimoto’s thyroiditis.

Detailed explanation-5: -Hashimoto’s disease, an autoimmune disorder, is the most common cause of hypothyroidism. With this disease, your immune system attacks the thyroid. The thyroid becomes inflamed and can’t make enough thyroid hormones.