Context: The presence of differentiated thyroid cancer in mature cystic teratomas in the ovaries is rare, and usually incidentally found on surgical pathology specimens. We present a case of simultaneous intrathyroidal thyroid cancer and thyroid cancer within a struma ovarii, presenting specific diagnostic challenges.
Case Description: A 55-year-old woman had an intrathyroidal, encapsulated 1.
Introduction: Primary intracranial and sellar squamous cell carcinoma is an extremely rare entity, usually caused by malignant transformation of epidermoid cysts, or very rarely other non-malignant epithelial cysts. Malignant transformation of a Rathke's cleft cyst has never been described.
Case Description: We present a 49-year-old male patient who presented with a 3-month history of progressive frontotemporal headaches.
Background: Resistance to thyroid hormone (RTH) is a rare syndrome of reduced TH sensitivity most often due to mutations affecting the β-isoform of the thyroid hormone receptor (TRβ). Patients with RTH may develop hypothyroidism as a result of surgery, mistreatment with radioiodine, or autoimmune thyroid disease.
Patient Findings: We describe a patient who underwent partial thyroid lobectomy for benign goiter at age 17 and remained healthy through five uncomplicated pregnancies before abnormal laboratory results were noted.