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PubMedDate not supplied

Surgical treatment of substernal goiters.

Fifty-one patients (4.6%) underwent resection of a substernal goiter in a fifteen-year period during the course of 1103 thyroidectomies. Forty-eight (94.2%) goiters were benign and three (5.8%) malignant. Mean age was 55 years. Female:male ratio was 2:1. Four patients (7.8%) had undergone prior thyroid surgery. Most had long-standing goiters (mean duration: 15 years). The most common symptoms included airway compression (56.8%), hoarseness (13.7%), dysphagia (11.7%), superior vena cava syndrome (9.8%). Twelve patients (23.5%) were asymptomatic. Chest X-rays showed a tracheal deviation and/or a mediastinal mass in 43 patients (84.3%). Goiter extended into the right mediastinum in 28 patients (54.9%), into the left in 19 (37.2%), and bilaterally in three (5.8%). A cervical collar incision provided adequate exposure in 42 cases (82.3%). Five patients (9.8%) required a cervical incision plus partial median sternotomy and one (1.9%) a cervical incision plus a right postero-lateral thoracotomy. In three asymptomatic patients (5.8%) thoracotomy was followed by cervical incision due to a preoperative incorrect diagnosis. Major postoperative complications included two cervico-mediastinal hematoma with one subsequent death and four (7.8%) recurrent laryngeal nerve palsy. This series showed that: (1) Standard chest roetgenogram with esophagogram is still the most useful investigation, although CAT scan can help in planning the operation. (2) Cervical collar incision provides adequate exposure in nearly all cases. (3) When goiter enucleation is difficult or at risk, a complementary median sternotomy is indicated in right retrovascular goiters. (4) Operation should be recommended in all but the highest-risk patients. (5) Tracheal intubation with small caliber tubes is nearly always possible in patients with acute tracheal compression.

Adult↗
PubMed2000

[Substernal goiter. Report of 212 cases].

AIM OF THE STUDY: The aim of this retrospective study was to report the results of the surgical treatment in a series of 210 patients operated on for substernal goiters. PATIENTS AND METHOD: From 1982 to 1996, 210 patients with substernal goiters, including 80% of women, were operated on via a cervical approach in 208 cases, via a sternotomy in two cases. Two patients with operative contra-indications were not operated on. Twenty-five were operated on for a substernal recurrence of a goiter. In 160 cases, extraction of the substernal portion was easy. In 48 cases, removal of the substernal portion was facilitated by the discovery of the recurrent nerve at its entering into the larynx and a downward dissection of the tracheal attachments of the lobe. The complete dissection of the cervical portion made easier the ascension of the substernal portion even in very large substernal components. RESULTS: Three papillary carcinomas were diagnosed. A transient laryngeal nerve palsy occurred in 7.2% of the patients and a transient hypoparathyroidism in 13.4%, A definitive laryngeal nerve palsy occurred in 1.2% of the patients, and a persistent hypoparathyroidism in 2.1%. Of the 25 patients who underwent surgery for recurrence of a goiter, three (12%) developed a transient laryngeal nerve palsy, one (4%) a permanent nerve palsy, four (20%) a transient hypoparathyroidism and one (4%) a persistent hypocalcemia. CONCLUSION: CT scan and MRI are the best explorations to evaluate intrathoracic extension of substernal goiters. Thyroidectomy was performed via a cervical incision in 208 patients and via a sternotomy in two patients only. The complete dissection of the cervical portion with discovery of the recurrent nerve at its entering into the larynx, facilitates the ascension of the substernal portion even in very large substernal goiters.

Adult↗
PubMed2005

VATS with a supraclavicular window for huge substernal goiter: an alternative technique for preventing recurrent laryngeal nerve injury.

A careless attempt to remove a huge substernal goiter using the cervical approach can lead to recurrent laryngeal nerve injury, which has been consistently reported after the surgery. We present an alternative and less invasive technique combining video-assisted thoracoscopic surgery (VATS) with a supraclavicular approach. This technique seems to offer improved exposure and reliable control of the neuro-vascular structures in the anterior mediastinum when resecting a huge substernal goiter that may prevent nerve injury.

Aged↗
PubMed1992

[Substernal goiters. 218 operated cases].

The authors are presenting a retrospective study on 218 retrosternal goiters operated between 1968 and 1991. 33% of the goiters were incidentally discovered on a plain X-ray of the chest. Symptoms of compression were present in 50.5% of patients and hyperthyroidism in 16.5%. Respiratory manifestations were more frequent and more severe in patients aged 70 and more. Moreover 90% of those old patients were symptomatic. Goiters migrated anteriorly in 57.7% of cases, posteriorly in 33.9%, both anteriorly and posteriorly in 5.5%. Type of migration was unknown in 2.5%. 3.7% were malignant. 27 patients with respiratory symptoms received corticosteroids to reduce the airway compression. Among 52 patients with hyperthyroidism, 36 were given antithyroid drugs. Among them, some received corticosteroid drugs in order to reduce risks of mediastinal compression. A simple cervicotomy was adequate in 92.7% of case and was completed by sternotomy in 7.3%. The operation was iterative for relapsing or forgotten thoracic goiters in 24 cases. Morbidity was slight even for sternotomized patients. Mortality was noted in 2 cases (0.9%) one of them operated on for poorly-differentiated and suffocating carcinoma of the thyroid. We advise a straightforward surgical attitude as a result of the slight morbidity and mortality, even in sternotomized patients in order to avoid severe compressive complications of the airways.

Adult↗
PubMed2006

Thyroidectomy for substernal goiter via a mediastinoscopic approach.

We report an unusual case in which a patient presented with a large posterior mediastinal goiter that extended to the level of the aorta. The goiter was resected through a standard Kocher neck incision with mediastinoscopic assistance. The large goiter was completely excised without the need for a sternotomy.

Goiter, Substernal↗