Resumo

AFOLABI, Adefemi Oladiran; ALEGBELEYE, Bamidele Johnson  e  OLAGUNJU, Naomi. Occult thyroid carcinoma: a tertiary hospital experience in Ibadan, Nigeria. Iberoam J Med [online]. 2021, vol.3, n.3, pp.212-220.  Epub 25-Dez-2023. ISSN 2695-5075.  https://dx.doi.org/10.5281/zenodo.4771174.

Introduction: There is a dearth of knowledge on the proportion that occult thyroid carcinoma constitutes amongst patients with thyroid cancer in our practice. This study was therefore conducted to review the cases of occult thyroid carcinoma with a focus on the presentation, management, and the outcome of care in a low resource tertiary hospital setting.

Materials and Methods: We conducted a retrospective cross-sectional descriptive study of 62 patients who were managed for thyroid cancer over a 15-year-period at the University College Hospital, Ibadan, Nigeria. The patients who had more than two follow-up visits to the Thyroid Clinic, over the preceding fifteen years were included in this study. The types of surgeries performed on the patients were noted. The data were analyzed using descriptive statistics. We also identified the various limitations that might have hindered the effective care of such patients.

Results: Sixty-two consecutive patients, 12 male (19.4%) and 50 females (80.6%) with a median interquartile age range of 45 years, were diagnosed with thyroid cancer. The surgeries performed on the patients were total thyroidectomy, 48 (77.4%), completion-thyroidectomy, 14 (22.6%), near total thyroidectomy, etc. Occult thyroid cancer constituted 38 (61.3%) of the patients managed for thyroid cancer. The most common histology subtype was papillary carcinoma. We identified late presentation, inadequate oncologic surgery, financial constraint etc., as limitations of optimal care.

Conclusions: In view of the proportion of occult thyroid cancer in this cohort of patients, the clinically benign goitres might contain carcinoma or micro-carcinoma. Therefore, an aggressive public health campaign to encourage early presentation of our patients and primary reduction through total thyroidectomy is recommended to improve the outcome of care.

Palavras-chave : Occult thyroid carcinoma; Papillary carcinoma; Thyroidectomy.

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