Subacute lymphocytic thyroiditis

Subacute lymphocytic thyroiditis
Synonyms	Painless thyroiditis, Silent thyroiditis
Pronounce	N/A
Specialty	N/A
Symptoms	Thyrotoxicosis, hypothyroidism, neck discomfort
Complications	Hypothyroidism
Onset	Typically postpartum or after a viral illness
Duration	Weeks to months
Types	N/A
Causes	Autoimmune, possibly triggered by viral infection
Risks	Postpartum period, autoimmune disorders
Diagnosis	Thyroid function tests, thyroid antibodies, radioactive iodine uptake test
Differential diagnosis	Graves' disease, Hashimoto's thyroiditis, De Quervain's thyroiditis
Prevention	N/A
Treatment	Symptomatic treatment, beta blockers, levothyroxine if hypothyroid
Medication	N/A
Prognosis	Generally good, with most patients recovering normal thyroid function
Frequency	More common in women, especially postpartum
Deaths	N/A

Subacute lymphocytic thyroiditis (also known as silent thyroiditis or painless thyroiditis) is a thyroid disease characterized by inflammation of the thyroid gland without the typical symptoms of pain and tenderness. It is a form of thyroiditis that is usually self-limiting, meaning it resolves on its own without treatment.

Etiology

The exact cause of subacute lymphocytic thyroiditis is unknown, but it is believed to be an autoimmune disease. This means that the body's immune system mistakenly attacks the thyroid gland. It is more common in women than in men, and often occurs after pregnancy.

Symptoms

Symptoms of subacute lymphocytic thyroiditis can vary, but may include fatigue, weight gain, depression, and sensitivity to cold. Some people may also experience a goiter, which is an enlarged thyroid gland that can cause a visible swelling in the neck.

Diagnosis

Diagnosis of subacute lymphocytic thyroiditis is typically made based on the patient's symptoms and physical examination. Blood tests may be used to measure levels of thyroid hormones and to check for the presence of antibodies that can indicate an autoimmune disease. In some cases, a thyroid scan or ultrasound may be used to examine the structure and function of the thyroid gland.

Treatment

Treatment for subacute lymphocytic thyroiditis is usually supportive, as the condition often resolves on its own. This may include rest, a healthy diet, and over-the-counter medications to manage symptoms. In some cases, prescription medications may be used to regulate thyroid hormone levels.

Prognosis

The prognosis for subacute lymphocytic thyroiditis is generally good, with most people recovering fully within a few months. However, some people may experience a recurrence of the condition, or may develop permanent hypothyroidism.

See also

• Thyroiditis
• Hashimoto's thyroiditis
• Postpartum thyroiditis

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