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- Most common of the chronic thyroidites - More common in women - Peak incidence between 40-60 years - Diagnosis usually based on serology - Auto-immune condition - Hypothyroidism present at presentation or develops later
Serous fluid may accumulate in the space between the parietal and visceral layers of the tunica vaginalis. These fluid collections are confined to the anterolateral portions of the scrotum because of the attachment of the testis to the epididymis and scrotal w...
Lymphadenopathy of the Neck
Malignant Salivary Gland Tumours
Malignant epithelial tumours of the salivary glands account for 17% of all epithelial tumours. The smaller salivary glands have greater malignant potential, a tumour in the sublingual or submandibular gland being more likely to be malignant than a tumour in t...
- relatively uncommon, accounting for just 5% of all thyroid carcinomas - It arised from the calcitonin producing parafollicular C-cells - Medullary carcinoma is distinctive in its aggressiveness compared to other well-differentiated carcinomas, its close as...
- thyroid can be normal size with nodules, or enlarged with nodules (multinodular goitre) - most commonly encountered condition of the thyroid (80%) - a clinically palpable lump can be identified in 1-6% of the population
Haemangiomas are uncommon in the head and neck. Masseter muscle is the most common site. Vascular malformations may have large (cavernous) spaces, capillary elements, lymphatic elements or combinations of these
Usually occurs as a result of direct extension of epididymitis Orchitis can occur as a result of trauma
- most common thyroid malignancy - 60-90% of all throid malignancies - prediliction for females
© 2004 Australasian Society for Ultrasound in Medicine