Epidermoidzyste

Nuchales
Atherom in der MRT: Oben T2 und DWi axial, unten FLAIR und T1 KM sagittal.
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Atherom der
Kopfhaut links hochparietal: In der Computertomografie reicht der Befund bis unmittelbar an die Hautoberfläche heran. Randständig betonte Verkalkungen. Knochenfenster links, im Weichteilfenster rechts oben, Hirnfenster rechts unten.
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Pseudotumoural
soft tissue lesions of the foot and ankle: a pictorial review. Epidermoid cyst (different patient from that in Fig. 7). Axial fat-suppressed T2-WI (a), coronal T1-WI (b) and coronal contrast-enhanced T1-WI (c). Unilocular, well-defined subcutaneous lesion (arrows) at the medial aspect of the ankle. The lesion has intermediate SI on T2-WI with some small areas of lower SI (probably due to keratinous debris), and is slightly hyperintense to muscle on T1-WI. A peripheral rim enhancement is seen (arrowhead), without internal enhancement
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Epidermal
inclusion cyst • Epidermal inclusion cyst of the external auditory canal - Ganzer Fall bei Radiopaedia
Ranchod A, Epidermal inclusion cyst of the external auditory canal. Case study, Radiopaedia.org (Accessed on 14 Mar 2023) https://doi.org/10.53347/rID-93335 • CC by-nc-sa 3.0 (modified)
Intrakranielle
Epidermoidzyste der Pinealisregion rechts paramedian. Magentresonanztomographie DWI axial: Der Befund zeigt sich deutlich hyperintens.
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Epidermal
inclusion cyst of the tongue - a rare entity. Axial T1 with contrast shows a well-defined lesion (1.5x1.0x1.2 cm) with mild peripheral enhancement and low signal intensity.
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Pseudotumoural
soft tissue lesions of the foot and ankle: a pictorial review. Ultrasound of epidermoid cyst on the sole of the foot. The ultrasound images demonstrate a hypoechogenic polylobular lesion with posterior acoustic enhancement containing some scattered echogenic reflective material. The cyst is located in the subcutaneous fat superficial to the flexor tendon of the second digit
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Extratesticular
epidermal inclusion cyst of the scrotum (ECR 2016 Case of the Day). Transverse T1-weighted image depicts homogeneous right extratesticular mass (arrow), isointense to the ispilateral testis (arrowhead).
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Extratesticular
epidermal inclusion cyst of the scrotum (ECR 2016 Case of the Day). Coronal T2-weighted image shows right extratesticular mass (arrow), close to the ipsilateral spermatic cord (long arrow), mainly hyperintense, with signal similar to that of normal testes (arrowheads), surrounded by a low signal intensity capsule.
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A rare case
of extratesticular scrotal epidermoid cyst. A non-vascular lesion measuring 15x12 mm was noted indenting the lateral aspect of the right epididymal head with a whorled appearance and central calcific focus giving it a "target" or "bulls eye" appearance.
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Epidermal
cyst of the ischiorectal fossa. No rim enhancement is appreciable on axial post-contrast image.
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Toddler with
stridorLateral radiograph of the airway shows a mass at the base of the tongue.The diagnosis was epidermal inclusion cyst of tongue.
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Intrakranielle
Epidermoidzyste der Pinealisregion rechts paramedian. Magentresonanztomographie T1w axial nach Kontrastmittel: Keine KM-Aufnahme
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Atherom der
Kopfhaut, oben im Weichteilfenster unten im Knochenfenster.
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Atherom der
Kopfhaut rechts hochparietal Knochenfenster und Hirnfenster
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Intrakranielle
Epidermoidzyste der Pinealisregion rechts paramedian. Magentresonanztomographie T2w sagittal: Der Befund zeigt sich nahezu liquorisointens. Aber siehe FLAIR und DWI.
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Intrakranielle
Epidermoidzyste der Pinealisregion rechts paramedian. Magentresonanztomographie T2w axial: Der Befund zeigt sich nahezu liquorisointens. Aber siehe FLAIR und DWI.
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Intrakranielle
Epidermoidzyste der Pinealisregion rechts paramedian. Magentresonanztomographie T1w coronar nach Kontrastmittel: Keine KM-Aufnahme
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Epidermal
cyst of the ischiorectal fossa. A well-circumscribed large cyst occupies the right ischiorectal fossa; the rectum and the vagina are contralaterally displaced.
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Epidermal
cyst of the ischiorectal fossa. Axial image: the cyst is unilocular and delineate by thin hypointense rim.
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Sebaceous
cyst in the left malar area (right image)
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Pseudotumoural
soft tissue lesions of the hand and wrist: a pictorial review. Subcutaneous epidermoid cyst with involvement of the adjacent bone of the terminal phalanx of the right fifth finger. a Plain radiograph showing a well-defined osteolytic defect at the radial side of the distal phalanx. Note cortical destruction of the radial cortex. b Coronal SE T1-WI. The lesion is of intermediate signal intensity (arrows) with some internal areas of relatively high signal. c Coronal TSE T2-WI. High signal intensity of the lesion (arrows). d Coronal FS SE T1-WI after intravenous injection of gadolinium contrast medium. There is only subtle peripheral enhancement (arrows) of the lesion
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Radiopaedia • CC-by-nc-sa 3.0 • de

Epidermoid cysts are nonneoplastic inclusion cysts derived from ectoderm that are lined solely by squamous epithelium. These are discussed separately by anatomic location:

See also

Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu epidermale Inklusionszyste:
Epidermoidzyste
 
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intrakranielle
Epidermoidzyste
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Epidermoid in
der Kalotte
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intraventricular
epidermoid
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Dermatofibrosarcoma
protuberans
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Epidermoidzyste
Finger
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testicular
epidermoid cyst
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Malherbe-Tumor
 
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