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StatPearls, LLC

  • Acrospiroma
  • Carcinoma, Adenoid Cystic
  • Neoplasm Metastasis

Cylindroma

Cylindromas, or cutaneous cylindromas, are rare, distinct adnexal neoplasms characterized by a dual lineage proliferation of cells nestled within the dermis. These neoplasms are predominantly derived from likely apocrine cells in the dermis within the hair follicle bulge. Upon cross-sectional examination, cylindromas exhibit a round morphology akin to cylinders, hence their nomenclature, reflecting their cylindrical shape. Although cylindromas are typically slow-growing and manifest as diminutive entities, they are generally benign. However, exceedingly rare instances of malignant transformation and potential metastases have been reported, especially in conjunction with multiple lesions associated with Brooke-Spiegler syndrome. Cylindromas are slow-growing lesions primarily found on the scalp or face of individuals. They exhibit a marked predilection toward females, occurring approximately 9 times more frequently than males. When multiple cutaneous cylindromas congregate on the scalp, they can amalgamate, creating an appearance reminiscent of headgear like a hat or turban. Recognizing the intricate association between cylindromas and spiradenomas is imperative, as they share close ties and are associated with various genetic syndromes characterized by undifferentiated neoplasms stemming from apocrine lineage. This activity provides a comprehensive overview of cylindromas, covering their etiology, epidemiology, diagnosis, and management, thereby offering a multifaceted approach to understanding this condition. This activity highlights the pivotal role of interdisciplinary collaboration among healthcare professionals, emphasizing the significance of cohesive management strategies to address this unique and rare cutaneous condition.

Credit & MOC Details

Credit information is provided by the course provider. We recommend confirming credit eligibility with the provider or your licensing board before starting the activity.

Credit types

AAPA Category 1 Credit™Up to 1 creditAMA PRA Category 1 Credit™Up to 1 creditNursingUp to 1 creditPharmacyUp to 1 credit

MOC types

ABS — Accredited CMEUp to 1 pointABPATH — Lifelong LearningUp to 1 pointABTS — Accredited CMEUp to 1 pointABIM — Medical KnowledgeUp to 1 pointABS — Self-AssessmentUp to 1 pointABTS — Self-AssessmentUp to 1 point

FDA REMS

No

Qualifies for MIPS

No

Target Specialties

Pricing

Fee varies

This provider typically $49–98

See fees on statpearls.com

Listed by the provider

  • Article / monograph / reference
  • Credit · Up to 1 credit
  • MOC · Up to 1 point
  • Fee varies · this provider typically $49–98
  • Released
    Sep 1, 2026
  • Last day to claim credit
    Sep 1, 2029 3 years left

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