Items tagged “cases”

4,292 results found
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Pantothenate kinase-associated neurodegeneration

Pantothenate kinase-associated neurodegeneration (PKAN), previously known as Hallervorden-Spatz syndrome, is an autosomal recessive disorder causing involuntary spasticity and progressive dementia. It is a subset of neurodegeneration with brain iron accumulation (NBIA). Clinical presentation D...
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Heerfordt syndrome

Heerfordt(-Waldenström) syndrome or uveoparotid fever is a variant of sarcoidosis, comprising of: fever parotid enlargement facial palsy ocular involvement (anterior uveitis) Epidemiology The exact prevalence is unknown, as only isolated case reports exist. Neurologic involvement may occur...
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Haemangiopericytoma

Haemangiopericytoma is a term formerly used to describe a continuum of mesenchymal tumours with elevated cellularity found throughout the body in soft tissue and bone. After many years of controversy, haemangiopericytomas have been shown to not only share histological features similar to solitar...
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Hepatic veno-occlusive disease

Hepatic veno-occlusive disease (VOD), also known as sinusoidal obstruction syndrome (SOS), is a condition arising from occlusion of hepatic venules. Clinical presentation right upper quadrant pain painful hepatomegaly ascites abnormal liver function tests Pathology Toxic injury to liver s...
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Lymphoma (staging)

There are a number of lymphoma staging systems for both Hodgkin lymphoma and non-Hodgkin lymphoma including the Ann Arbor classification, Cotswolds-modified Ann Arbor classification, and the most current, Lugano classification.  Evolution of lymphoma staging and treatment response evaluation cr...
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Lymphoma (staging)

There are a number of lymphoma staging systems for both Hodgkin lymphoma and non-Hodgkin lymphoma including the Ann Arbor classification, Cotswolds-modified Ann Arbor classification, and the most current, Lugano classification.  Evolution of lymphoma staging and treatment response evaluation cr...
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Hydrocolpos

Hydrocolpos is characterised by an expanded fluid filled vaginal cavity. When it is associated with distention of the uterine cavity, the term hydrometrocolpos should then be used. It may present in infancy with a lower abdominal mass, or be delayed till menarche. Pathology Aetiology imperfor...
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Hydrometrocolpos

Hydrometrocolpos is characterised by an expanded fluid filled vaginal cavity with associated distention of the uterine cavity. It may present in infancy with a lower abdominal mass, or be delayed till menarche. Pathology Aetiology imperforate hymen (most common) also involves the upper portio...
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Hyperostosis frontoparietalis

Hyperostosis frontoparietalis is a variant of the more common and more well known hyperostosis frontalis interna. As the name suggests, it is merely inner table thickening of not only the frontal bones, but also extending more posteriorly into the parietal bones. This is a common incidental fin...
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Incus

The incus is the middle of the ossicles articulating with the head of the malleus anteromedially and the stapes inferomedially. Parts include: a body which articulates with the head of the malleus, and to which the superior ligament of the incus is attached (to the roof of the middle ear cavit...
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Interstitial ectopic pregnancy

Interstitial ectopic pregnancy (also known as an intramural) is an important type of ectopic pregnancy with higher risks of rupture and haemorrhage compared to usual tubal ectopic pregnancies.  Terminology The term interstitial pregnancy is sometimes interchangeably used with cornual pregnancy...
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Interstitial line sign

The interstitial line sign is an ultrasound finding in interstitial ectopic pregnancy. It is an echogenic line from the mass to the endometrial echo complex. Reportedly it has high sensitivity (80%) and specificity (98%).
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Intraductal papillary mucinous neoplasm

Intraductal papillary mucinous neoplasms or tumours (IPMNs or IMPTs) are cystic tumours of the pancreas. Epidemiology These tumours are most frequently identified in older patients (50-60 years of age) 6. Main duct type (see below) appears to present a decade or so earlier on average than bran...
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Intraductal papillary mucinous neoplasm

Intraductal papillary mucinous neoplasms or tumours (IPMNs or IMPTs) are cystic tumours of the pancreas. Epidemiology These tumours are most frequently identified in older patients (50-60 years of age) 6. Main duct type (see below) appears to present a decade or so earlier on average than bran...
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Intraosseous ganglion

An intraosseous ganglion is a benign subchondral radiolucent lesion without degenerative arthritis.  Epidemiology  Tends to occur in middle age. Clinical presentation Patients may have mild localised pain. Pathology They are uni-/multilocular cysts surrounded by a fibrous lining, containin...
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Iodophenylundecylic acid

Iodophenylundecylic acid (brand name = Myodil (Glaxo)) is an oily organic iodinated contrast material which was used for myelography. It is no longer used. Residual contrast remains for years. Has been implicated in development of arachnoiditis, perhapse of the order of 1%. See also pantopaque
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Kager's triangle

Kager's triangle is a sharply marginated radiolucent triangle seen posteriorly on lateral radiographs of the ankle. It represents the Kager fat pad. It is bordered anteriorly by the flexor hallucis longus (FHL) muscle and tendon, posteriorly by the Achilles tendon, and inferiorly by the calcane...
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Kasabach-Merritt syndrome

Kasabach-Merritt syndrome, also known as haemangioma thrombocytopaenia syndrome, is a rare life-threatening disease found in infants in which a rapidly growing vascular tumour is responsible for thrombocytopaenia, microangiopathic haemolytic anaemia and consumptive coagulopathy. Pathology Vasc...
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Kerr kink

Kerr kink a sign of renal tuberculosis. Scarring leads to a sharp kink at the pelvi-ureteric junction. History and etymology William "Bill" K Kerr, a Canadian urologist, described his eponymous sign in 1967 3.
Article

Kerr kink

Kerr kink a sign of renal tuberculosis. Scarring leads to a sharp kink at the pelvi-ureteric junction. History and etymology William "Bill" K Kerr, a Canadian urologist, described his eponymous sign in 1967 3.

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