![The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/6dc5f039-8659-4125-b931-62ccd4ead98f/gr4_lrg.jpg)
The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology
![Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia - Takayama - 2019 - The Journal of Dermatology - Wiley Online Library Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia - Takayama - 2019 - The Journal of Dermatology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/819448ad-a919-4e8b-8288-f3888fde1b4a/jde14946-fig-0001-m.jpg)
Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia - Takayama - 2019 - The Journal of Dermatology - Wiley Online Library
![Hair-Collar-and-Tuft-Sign Associated with an Atretic Cephalocele and a Persistent Primitive Falcine Sinus - The Journal of Pediatrics Hair-Collar-and-Tuft-Sign Associated with an Atretic Cephalocele and a Persistent Primitive Falcine Sinus - The Journal of Pediatrics](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/4a2d6057-08a0-4ac6-9613-bc335bd74eca/ympd9390-fig-0001_lrg.jpg)
Hair-Collar-and-Tuft-Sign Associated with an Atretic Cephalocele and a Persistent Primitive Falcine Sinus - The Journal of Pediatrics
![The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/5080dd0e-42f5-43bb-b0fe-cd34d9b3ff6a/gr1.jpg)
The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology
![The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/59ae29c5-6b04-4350-8286-fd9492f69b30/gr2_lrg.jpg)
The scalp hair collar and tuft signs: A retrospective multicenter study of 78 patients with a systematic review of the literature - Journal of the American Academy of Dermatology
![David Harker, MD, FAAD on Twitter: "Aplasia cutis congenita - absence of skin classically on the scalp but can be seen anywhere. Often isolated, but has many associations. If surrounded by a David Harker, MD, FAAD on Twitter: "Aplasia cutis congenita - absence of skin classically on the scalp but can be seen anywhere. Often isolated, but has many associations. If surrounded by a](https://pbs.twimg.com/media/EMCcCFuWsAEAzVn.jpg)