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Teratoma of Testis
Tumour of the testicle containing primitive elements of many ectodermal layers
Extratesticular scrotal calculi arise form the surface of the tunica vaginalis and may break loose to migrate between the two layers of the tunica. They have been called scrotal pearls because of their macroscopic appearance - round, pearly white and rubbery....
Lymphadenopathy of the Neck
Lymphatic malformations with large lymphatic spaces. Solitary cystic hygromas may be seen in young adults in the submandibular region and the posterior triangle. It is believed that these are usually post-traumatic rather than congenital. Present as a painle...
Thyroglossal duct cyst
A thyroglossal duct cyst is a congenital anomaly related to the thyroglossal duct. It is thought to represent segments of the duct that fail to regress and consequently differentiate into epithelial-lined cysts, developing anywhere along the course of the du...
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
Accounts for 6-10% of parotid tumours. Typically presents in the elderly male (>50 yrs) in the parotd tail Rarely seen in the submandibular gland Tumour arises from heterotopic salivary gland tissue in parotid lymph nodes
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...
Acute suppurative thyroiditis
- uncommon - usually effects children - left sided prominence - acute onset with pain, thyroid swelling, fever and odyonphagia
© 2004 Australasian Society for Ultrasound in Medicine