Background: Thyroid carcinoma has been reported in patients operated for different types of hyperthyroidism and the probability of a hot nodule being malignant seems to be low. The aim of the present study was to explore the relationship between thyroid cancer, hyperthyroidism and outcome in a large cohort of patients who presented to a tertiary cancer centre in Northern Greece. Patients: Among 720 patients treated for thyroid cancer, 60 had a concomitant diagnosis of hyperthyroidism due to Graves' disease (nZ14), solitary autonomous adenoma (nZ17), or multinodular goiter (nZ29). Adverse prognostic factors were common in patients with a previous history of hyperthyroidism at the time of diagnosis of thyroid cancer, including cases where the cancer was discovered coincidentally after thyroid surgery for hyperthyroidism and cases where tumor size was more than 10 mm. Results: In 10 out of 17 patients with hyperthyroidism due to solitary autonomous adenomas, the tumor was located within the hot nodule and two of these patients developed local and distant metastases and died from the disease 4 and 15 years after thyroidectomy. Conclusion: Clinicians managing patients with hyperthyroidism need to be aware of the possible increased risk of thyroid cancer in this patient group.
ObJEctIVE: thyroglossal duct cyst (tGDc) carcinoma is a rare entity and its management is controversial. the aim of this retrospective study was to: (a) identify patients with tGDc carcinoma followed up in our clinic and (b) study specific characteristics of the disease and their association with thyroid carcinoma. DEsIGN: Medical files of patients with tGDc carcinoma were reviewed and tumour characteristics, lymph node metastases, treatment and follow-up were evaluated. rEsULts: A total of 6 patients, 4 females and 2 males, mean age 39.3 years (median 33.5), were treated for papillary thyroid carcinoma arising in a tGDc. carcinoma of the thyroid gland was found simultaneously in 4 of these patients, while in one patient thyroid carcinoma developed 10 years after the diagnosis of tGDc carcinoma. A variable clinical picture and presentation was recorded. the most aggressive manifestation of the disease in terms of local infiltration, local recurrence and lymph node metastases was observed in our youngest patients. cONcLUsIONs: Long-term follow-up is necessary for patients with thyroid carcinoma arising in a tGDc. In view of the frequent co-existence of thyroid cancer in these patients, we would recommend detailed thyroid evaluation and, eventually, total thyroidectomy at initial diagnosis of tGDc carcinoma.
Objective Adrenocortical carcinoma (ACC) has an aggressive but variable clinical course. Prognostic stratification based on the European Network for the Study of Adrenal Tumours stage and Ki67 index is limited. We aimed to demonstrate the prognostic role of a points-based score (S-GRAS) in a large cohort of patients with ACC. Design This is a multicentre, retrospective study on ACC patients who underwent adrenalectomy. Methods The S-GRAS score was calculated as a sum of the following points: tumour stage (1–2 = 0; 3 = 1; 4 = 2), grade (Ki67 index 0–9% = 0; 10–19% = 1; ≥20% = 2 points), resection status (R0 = 0; RX = 1; R1 = 2; R2 = 3), age (<50 years = 0; ≥50 years = 1), symptoms (no = 0; yes = 1), and categorised, generating four groups (0–1, 2–3, 4–5, and 6–9). Endpoints were progression-free survival (PFS) and disease-specific survival (DSS). The discriminative performance of S-GRAS and its components was tested by Harrell’s Concordance index (C-index) and Royston–Sauerbrei’s R2D statistic. Results We included 942 ACC patients. The S-GRAS score showed superior prognostic performance for both PFS and DSS, with best discrimination obtained using the individual scores (0–9) (C-index = 0.73, R2D = 0.30, and C-index = 0.79, R2D = 0.45, respectively, all P < 0.01vs each component). The superiority of S-GRAS score remained when comparing patients treated or not with adjuvant mitotane (n = 481 vs 314). In particular, the risk of recurrence was significantly reduced as a result of adjuvant mitotane only in patients with S-GRAS 4–5. Conclusion The prognostic performance of S-GRAS is superior to tumour stage and Ki67 in operated ACC patients, independently from adjuvant mitotane. S-GRAS score provides a new important guide for personalised management of ACC (i.e. radiological surveillance and adjuvant treatment).
Truly mixed corticomedullary tumors (MCMTs) are extremely rare and present as a single tumor mass composed of an intimately admixed population of both adrenal cortical cells and pheochromocytes. The current study describes the first case of a mixed corticomedullary adrenal carcinoma. In addition, we also review the published data on MCMTs to determine their clinical features, biochemical characteristics, pathological findings, and management. In order to compose this review, a search of the international literature for MCMTs was conducted. Fifteen related articles were found. The clinical and pathological information was obtained for all reported cases. MCMTs were found almost exclusively in females. In the vast majority of patients, the symptoms were related to the tumor's hormone hypersecretion. Hypertension and diabetes were present in 80 and 40 % of cases, respectively. Cushing's syndrome was reported in eight cases (53.33 %). A final diagnosis was made in all cases after surgery based on the pathological results. As of the writing of this article, all published cases of MCMTs had benign clinical behavior, with no instances of metastasis or death due to the tumor. MCMTs are currently considered to be benign tumors. Ours is the first case of malignant MCMT reported in the literature. The potential for malignancy should therefore be considered for these tumors.
Abstract. Brain metastasis is an uncommon complication of differentiated thyroid carcinoma. Even more, cerebellar metastases from papillary thyroid carcinoma (PTC) are exceptional. We report a 69-year-old male patient with infiltrative PTC who developed high levels of thyroglobulin (Tg) and deteriorated neurological symptoms four years after the initial diagnosis. Computerized tomography (CT) of the brain demonstrated a cerebellar mass and the patient underwent surgery. Pathology revealed metastasis from PTC. Immunochemistry was positive for Tg. The patient had no other sites of distant metastases. Although PTC has generally a good prognosis, metastases to the cerebellum can occur, even as the first metastatic site, despite the fact that appropriate therapy (surgery, radioactive iodine therapy, TSH suppression therapy, chemotherapy and external radiotherapy) had been given for the primary tumour. We report a patient with PTC who developed a mass in the right cerebellar hemisphere proved to be a metastasis from PTC despite the fact that total thyroidectomy, ablation therapy with radioactive iodine, external radiation therapy and chemotherapy had been given for the primary tumour. It is important to underline that in our patient no other distant metastases could be established. To our knowledge, only in one other case cerebellum was the site of the first and solitary distant metastasis from PTC [7]. Case ReportA 69-year-old male patient was referred to our clinic in June 1998 for further evaluation and treatment after a fine needle aspiration cytology of a thyroid nodule suggestive of PTC. The patient had no personal or family history of thyroid disease and no previous history of head and neck irradiation.When seen in clinic, he was in good general condition. He complained of hoarseness, dyspnea and productive cough of one year's duration. Clinical examination revealed a palpable mass in the central
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