7,843 results found
Case
Osteolytic skull metastasis of lung cancer
Published
05 May 2013
89% complete
CT
Article
Anderson and Montesano classification of occipital condyle fractures
The Anderson and Montesano classification is a widely used system for describing occipital condyle fractures. It divides injuries into three types based on morphology and mechanism of injury 1-5.
Classification
type I: impacted type occipital condyle fracture
morphology: comminution of the co...
Case
Juvenile nasopharyngeal angiofibroma
Published
10 Nov 2014
89% complete
MRI
Article
Orthopantomography
The orthopantomogram (also known as an orthopantomograph, pantomogram, OPG or OPT) is a panoramic single image radiograph of the mandible, maxilla and teeth. It is often encountered in dental practice and occasionally in the emergency department; providing a convenient, inexpensive and rapid way...
Case
Chordoma - clivus
Published
18 Jan 2022
88% complete
CT
MRI
Case
Intracranial foreign body (sewing needle)
Published
08 Aug 2019
77% complete
CT
X-ray
Article
Tinnitus causes (mnemonic)
A mnemonic to remember the commonest causes of tinnitus is:
HAMMER
Mnemonic
H: hypertension
A: anemia / acoustic neuroma
M: migraine / Menière's disease
M: medication (quinine, NSAIDs, streptomycin)
E: ear pathology (wax, foreign body, otitis media)
R: rare (temporomandibular joint ...
Case
Adenoid hypertrophy
Published
01 Dec 2021
91% complete
X-ray
Case
Scalp hematoma types (diagram)
Published
30 Apr 2018
38% complete
Diagram
Case
Steeple sign - croup
Published
05 May 2013
79% complete
Annotated image
Case
Cystic hygroma
Published
22 Jan 2022
92% complete
CT
X-ray
Ultrasound
Photo
Case
Tongue stud
Published
01 Jan 2009
59% complete
CT
Article
Parathyroid hyperplasia
Parathyroid hyperplasia is the diffuse enlargement of the parathyroid glands and is a less common cause of primary hyperparathyroidism.
Epidemiology
There is a female predilection (M:F = 1:3).
Clinical presentation
Most commonly an incidental finding of hypercalcemia in asymptomatic patien...
Case
Laryngeal muscles (Gray's illustrations)
Published
20 Feb 2024
35% complete
Diagram
Case
Vagal paraganglioma
Published
05 Sep 2021
73% complete
Ultrasound
CT
Article
External ear
The external ear (or outer ear) comprises the auricle (or pinna), the external auditory meatus, and the tympanic membrane ("eardrum"). The auricle concentrates and amplifies sound waves and funnels them through the outer acoustic pore into the external auditory meatus to the tympanic membrane.
...
Article
External auditory canal atresia
External auditory canal atresia, also known as congenital aural atresia, is characterized by complete or incomplete bony atresia of the external auditory canal (EAC), often in association with a dysplastic auricle and an abnormal middle ear cavity or ossicles.
Epidemiology
The incidence is 1 i...
Case
Malignant thymoma
Published
03 Mar 2022
81% complete
CT
MRI
Article
Lamina cribrosa sclerae
The lamina cribrosa sclerae, also known as lamina cribrosa of the sclera, is a net-like structure covering a small hole in the posterior sclera through which the optic nerve (cranial nerve II), central retinal artery and central retinal vein pass.
Case
Pilomatricoma
Published
20 Dec 2023
88% complete
Ultrasound
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