Vessels as Clods
Haemangioma
PPD
Friday, April 2, 2021
Vessels Lines Looped
Vessels Lines Looped
Keratinising
Rapid growth
Looped vessels are usually easy to recognise. The vessels turn on themselves in the shape of a hairpin. Sometimes they can be surrounded by a whitish halo and this feature is seen in keratinising tumours such as SCC, keratoacanthoma and Seb K. In Seb K the hairpin vessels are usually grouped together and are mainly found at the periphery of the tumour. Histologically they correspond to long capillary loops
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