Presentation
Scalp swelling for three years. No pain, skin color change or discharge.
Patient Data
Age: 55 years
Gender: Male
From the case:
Trichilemmal cyst
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/124292/annotated_viewer_json?lang=us"}
Small well-circumscribed non-calcified soft tissue density lesion in the frontoparietal scalp soft tissues. No gross intracranial abnormality is seen.
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/124294/annotated_viewer_json?lang=us"}
The scalp lesion was excised and histopathology showed trichilemmal cyst.
Case Discussion
Small well-defined benign looking non-calcified soft tissue density nodule in the scalp soft tissues. Possible differential includes sebaceous cyst/epidermal inclusion cyst or trichilemmal cyst.