# Thyroid Nodule (Evaluation & Referral) - Category: chronic - Review status: reviewed (every claim checked against a document named on this page) - Sources: Egyptian National Drug Formulary - Endocrine System 2024 · ATA Management Guidelines for Adult Patients with Thyroid Nodules 2016 - Verified date: 2026-08 ## Verified against - Egyptian National Drug Formulary - Endocrine System 2024 - ATA Management Guidelines for Adult Patients with Thyroid Nodules 2016 - Thyroid Nodule - disease-level clinical article (thyroid-nodule-referral-full.txt) - Thyroid Nodule (Evaluation & Referral) - disease-level clinical article (thyroid-nodule-referral-clinical.txt) ## Treatment metadata - Levothyroxine — 0.05 mg — oral.solid - Referral & safety-netting (no drug therapy) ## Complete treatment card ```text THYROID NODULE (EVALUATION & REFERRAL) Sources: Egyptian National Drug Formulary - Endocrine System 2024 · ATA Management Guidelines for Adult Patients with Thyroid Nodules 2016 Review status: REVIEWED against Egyptian National Drug Formulary - Endocrine System 2024, ATA Management Guidelines for Adult Patients with Thyroid Nodules 2016, Thyroid Nodule - disease-level clinical article (thyroid-nodule- referral-full.txt), Thyroid Nodule (Evaluation & Referral) - disease-level clinical article (thyroid-nodule-referral- clinical.txt) (2026-08) IS IT THIS? - reference only, to read alongside your own examination SYMPTOMS - what the patient reports (2) - Most patients notice a palpable neck lump or have a nodule found incidentally on imaging, and most nodules cause no symptoms [neck lump] - Neck pressure or pain can occur, especially if the nodule bleeds spontaneously [bleeding] SIGNS - what you find (3) - Palpation is the simplest exam method but the least sensitive, finding nodules in only 4% to 7% of the population - Concerning exam findings include a nodule over 4 cm (about 19% malignancy risk), firmness, fixation to surrounding tissue, neck node swelling, and vocal cord paralysis [lymphadenopathy · vocal cord paralysis] - A solitary nodule together with a neck node over 1 cm and vocal cord paralysis together predict malignancy with roughly 100% positive predictive value [vocal cord paralysis] TESTS (9) - Initial work-up includes history, exam, a TSH level, and thyroid ultrasound - Malignancy risk rises as the TSH level rises; a low TSH instead favors a benign nodule - A low TSH prompts a radioactive iodine or pertechnetate scan to check for an autonomously functioning nodule, which is usually benign - Ultrasound features linked to cancer include microcalcifications, irregular margins, a dark appearance, a taller-than-wide shape, and more blood flow - An incidental nodule found in a patient with a known nonthyroid cancer carries a 24% malignancy rate, versus about 5% otherwise - Fine-needle aspiration under ultrasound guidance is the cornerstone test and is preferred over palpation-guided biopsy, which has more false negatives and nondiagnostic samples - A nodule under 1 cm is biopsied only if it has more than one suspicious ultrasound feature, nearby lymphadenopathy, or a high-risk history - Ultrasound-guided biopsy is used for nonpalpable nodules over 1 cm, palpable nodules under 1.5 cm, deep nodules, or nodules near blood vessels - Cystic or spongiform nodules carry low malignancy risk and are only biopsied if they exceed 2 cm IF NOT THIS - what else fits (4) - Congenital neck masses usually appear at birth; if one instead appears later in life, that raises suspicion for malignancy - Cancers of the tongue, tonsil, or thyroid can present as a cystic neck mass - Inflammatory neck masses are usually viral or bacterial lymph node swelling, typically found around the sternocleidomastoid or in front of the trapezius muscle - A metastatic neck mass is most often squamous cell carcinoma spreading from the aerodigestive tract Source StatPearls "Thyroid Nodule" - disease-level clinical article Status traced to the source above 1. LEVOTHYROXINE [1st line] Adult 50-100 mcg once daily in the morning on an empty stomach ONLY if subclinical or overt hypothyroidism co-exists - long-term Peds Age-dependent dosing under pediatric endocrinologist supervision only if hypothyroid Source Egyptian National Drug Formulary - Endocrine System 2024 (levothyroxine monograph), Hypothyroidism, patients under 50 years age: "Initially 50 to 100 mcg daily". The formulary carries no thyroid-nodule indication; this is its hypothyroidism starting dose, the indication under which levothyroxine appears here. The ATA thyroid nodules guideline is not held in this corpus. Why Thyroid hormone replacement given only when a thyroid nodule is accompanied by subclinical or overt hypothyroidism, to normalise TSH; not used as suppressive therapy for a euthyroid nodule, which is no longer recommended. Caution Routine TSH suppression therapy for euthyroid nodules is NO LONGER recommended. Urgent ultrasound and fine-needle aspiration (FNA) referral is required for red-flag features (rapid growth, dysphagia, hoarseness, hard immobile nodule). Strength is 50 mcg = 0.05 mg. Egypt T4-THYRO 50 MCG 100 TABS. MUP 9.00 EGP (0.09/unit) HYPOTHYRONOR 50 MCG 100 TABS. ACDIMA INTERN... 39.00 EGP (0.39/unit) THYROXINE 50MCG 100 TAB. UP PHARMA 46.00 EGP (0.46/unit) EQUITHERA 50MCG 50 TABS. MARCYRL PHARM... 26.00 EGP (0.52/unit) ELTROXIN 50 MCG 100 TABS. ASPEN > PHOEN... 78.00 EGP (0.78/unit) EUTHYROX 50MCG 50 TAB. MERCK KGAA F.... 46.00 EGP (0.92/unit) EUTHYROX 50MCG 100 TAB. MERCK KGAA F.... 105.00 EGP (1.05/unit) 2. REFERRAL & SAFETY-NETTING (NO DRUG THERAPY) [1st line] Adult Source Thyroid Nodule - disease-level clinical article (thyroid-nodule-referral-full.txt) Why Carries the referral criteria and warning signs for this condition, which apply whichever treatment is chosen. Caution RED FLAG - The specific physical exam findings that raise concern for malignancy are size >4cm, firmness, fixation, cervical lymphadenopathy, and vocal fold paralysis, and in combination they have a near-100% predictive value. RED FLAG - FNA cytology results (Bethesda V suspicious, Bethesda VI malignant) mandate surgical referral regardless of any medical therapy. Prices are indicative (dataset snapshot 2026-06); verify with the pharmacy. ``` --- Dawaa Reference is a reference for prescribers, not a medical device, and does not replace clinical judgement. [Privacy policy](/privacy)