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Types of Thyroid Nodules

Muscle Weakness
Muscle Weakness

This refers to weakness of external ocular muscles and exophthalmos from Graves disease. Strabismus and diplopia may be present, as well as pain and lid retraction. The term infiltrative ophthalmopathy refers to ocular muscle histology that suggests an autoimmune process: prominent fibroblastic tissue, degenerated fibers, and infiltration of lymphocytes, mononuclear leukocytes, and lipocytes.

Nervousness
Nervousness

Nervousness; Rapid or irregular heartbeat; A few thyroid nodules are cancerous (malignant), but determining which nodules are malignant can't be done by symptoms alone. Most cancerous thyroid nodules are slow growing and may be small when they're discovered.

Rapid, Irregular Heartbeat
Rapid, Irregular Heartbeat

A thyroid nodule is a lump that can develop in your thyroid gland. It can be solid or filled with fluid. You can have a single nodule or a cluster of nodules. Thyroid nodules are relatively common and rarely cancerous. Your thyroid is a small... Read More. A thyroid nodule is a lump that can develop in your thyroid gland.

Swelling in the Neck
Swelling in the Neck

The main cause is unknown, but thyroid nodules and thyroid enlargement are more common in women than men and increase in frequency with age. Women often develop thyroid enlargement during pregnancy and the menopause. If you have a nodule or swelling in your neck you should see your doctor with a minimum of delay.

Trouble Breathing
Trouble Breathing

Iodine deficiency: A diet that lacks iodine can result in thyroid nodules. This is uncommon in the U.S., since iodine is added to many foods. Thyroid adenoma: This is an unexplained overgrowth of thyroid tissue.

source: webmd.com
Trouble Swallowing
Trouble Swallowing

The thyroid ultrasound is the appropriate next step. FNA biopsy of any large/suspicious nodules would be next. 5-10% are cancer -- ie, most benign. If all benign, but still with symptoms, then surgical removal should be discussed with the ENT. If benign, and minimal/no symptoms then observation.

source: medhelp.org
Unexplained Weight Loss
Unexplained Weight Loss

Unexplained weight loss, or losing weight without trying — particularly if it's significant or persistent — may be a sign of an underlying medical disorder. The point at which unexplained weight loss becomes a medical concern is not exact.