Items tagged “pm”
206 results found
Case
Thymoma
Published
07 Jan 2014
80% complete
X-ray
CT
Article
Duodenal adenocarcinoma
Duodenal adenocarcinoma is the most common primary malignancy of the duodenum.
Epidemiology
Adenocarcinoma is the most common primary malignant neoplasm of the duodenum. It represents 0.3% of all gastrointestinal malignancies and accounts for 50-70% of small bowel adenocarcinomas occurring eit...
Article
Cerebral restricted diffusion
The following intracranial lesions may show a high signal on DWI images, with a corresponding low signal on ADC images.
lesions with intense high signal
acute ischemia
meningiomas
abscess
empyema
cytotoxic cerebral edema
chordoma
intracranial epidermoid cyst
Creutzfeldt-Jakob disease 6
...
Case
Aliasing artifacts
Published
14 Jan 2014
74% complete
MRI
Article
Monoarticular arthropathy
Monoarticular arthropathy can result from a number of causes:
Commonest 2:
gout (15-27%)
septic arthritis (8-27%)
osteoarthritis (5-17%)
rheumatoid arthritis (RA) (11-16%)
Less common 2:
traumatic arthritis
HADD (hydroxyapatite deposition disease)
reactive arthritis 2
avascular necrosi...
Article
Hatchet sign (ankylosing spondylitis)
The hatchet sign refers to the limited erosion of the lateral aspect of the humeral head that produces a hatchet-shaped deformity. This finding is typically associated with ankylosing spondylitis.
In the absence of osteoporosis and the presence of sclerosis, this sign helps to differentiate it ...
Case
Magnetic susceptibility artifact
Published
15 Jan 2014
89% complete
MRI
Case
Intracranial tubercular granuloma
Published
15 Jan 2014
80% complete
MRI
Article
Hydroxyapatite deposition disease
Hydroxyapatite crystal deposition disease (HADD) or calcium apatite deposition disease (CADD) is a disease of uncertain etiology characterized by periarticular and intra-articular calcium deposits.
The shoulder is the most frequently involved site with classic calcific tendinitis presentation. ...
Article
Subcutaneous calcification (differential)
Subcutaneous calcification can be associated with a number of disorders. The list includes:
dermatomyositis
Ehlers-Danlos syndrome
pseudoxanthoma elasticum
basal cell nevus syndrome
subcutaneous lipodystrophy
venous thrombosis
as a manifestation of systemic lupus erythematosus
varicose v...
Article
Temporal bone destructive lesions (differential)
Destructive lesions of the temporal bone (petrous pyramid, middle ear and antrum) have a relatively broad differential including 1:
lesions affecting petrous pyramid
vestibular schwannoma (acoustic neuroma)
meningioma
glioma
neuroma of trigeminal and facial nerve
chordoma
jugular paragang...
Article
Bridging of the pubic symphysis (differential)
Bridging (or fusion) of the pubic symphysis can be associated with various systemic and local causes, including 1-3:
ankylosing spondylitis
ochronosis
fluorosis
surgical fusion
post-traumatic
post-infectious
post-radiation therapy
osteoarthritis
rheumatoid arthritis
osteitis pubis
myo...
Case
Lucent lesions of the jaw (diagram)
Published
17 Jan 2014
38% complete
Diagram
Article
Expansile lytic lesions without cortical destruction of bone (differential)
Expansile lytic bone lesions without cortical destruction can result from various benign and malignant neoplastic pathologies, causes include 1:
unicameral bone cyst
aneurysmal bone cyst (eccentric)
enchondroma
chondromyxoid fibroma (eccentric)
non-ossifying fibroma (eccentric)
desmoplasti...
Article
Solitary ill-defined osteolytic lesion (differential)
Ill-defined solitary osteolytic lesions can be caused by following entities 1:
intraosseous hemangioma
chondroblastoma
osteoblastoma
giant cell tumor
fibrosarcoma of bone
malignant fibrous histiocytoma
chondrosarcoma
osteosarcoma
Ewing sarcoma
angiosarcoma
multiple myeloma
bone metas...
Case
Jugular paraganglioma
Published
18 Jan 2014
95% complete
CT
Case
Carcinoma of cecum
Published
16 Feb 2017
71% complete
CT
Article
Solitary well-defined osteolytic lesion (differential)
Solitary well-defined osteolytic lesions can be seen with the following conditions 1,2:
subchondral geodes or cysts
intraosseous ganglion
intraosseous tophus (gout)
unicameral bone cyst
aneurysmal bone cyst
glomangioma
enchondroma
epidermoid inclusion cyst
chondroblastoma
non-ossifying...
Case
Tubercular granuloma
Published
20 Jan 2014
80% complete
MRI
Case
Gross hydronephrosis
Published
22 Jan 2014
98% complete
CT
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