77 results match your criteria Acne Keloidalis Nuchae
J Cosmet Laser Ther 2018 May 14:1-5. Epub 2018 May 14.
a Dermatology, Venereology and Andrology Department , Faculty of Medicine, Zagazig University , Zagazig , Egypt.
Background: Acne keloidalis nuchae (AKN) is a chronic inflammatory disease involving hair follicles of the neck. It is a form of keloidal scarring alopecia that is often refractory to medical or surgical management.
Objective: To evaluate the efficacy of Er:YAG laser in the treatment of AKN as compared to long pulsed Nd:YAG laser. Read More
J Cutan Med Surg 2018 Mar/Apr;22(2):236-238
1 Multicultural Dermatology Center, Department of Dermatology, Henry Ford Hospital, Detroit, MI, USA.
Background: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis with limited interventions of both high efficacy and low morbidity.
Objective: To assess the efficacy of the long-pulsed 1064-nm neodymium-doped yttrium-aluminum-garnet (Nd:YAG) laser and topical steroids as a treatment for AKN compared to topical steroids alone.
Methods: We conducted a single-blinded, randomised, within-patient right-left controlled trial (n = 13). Read More
J Dermatol 2018 Apr 16;45(4):450-455. Epub 2018 Jan 16.
Department of Dermatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
Primary scarring alopecia (PSA) is caused by irreversible damage to the hair epithelial stem cells that reside in hair follicles. There is limited published work regarding PSA amongst the Asian population. The aim of this study was to evaluate the clinical features and to characterize the subtypes of PSA in southern Taiwan. Read More
Am J Dermatopathol 2018 Jul;40(7):498-501
Departments of Dermatology, and.
Naked hair shafts (NHS) are free-floating hair shafts devoid of surrounding epithelium, supporting structures, and/or embedded in inflammation that may result from destruction of hair follicles by scarring processes such as inflammation and fibroplasia. Extensive examination of NHS has not been performed in scalp biopsies of alopecia. We retrospectively evaluated 622 scalp biopsies of alopecia [345 cicatricial alopecias (central centrifugal cicatricial alopecia, lichen planopilaris, discoid lupus erythematosus, acne keloidalis nuchae, and folliculitis decalvans] and 277 non-cicatricial alopecias [alopecia areata, androgenic alopecia, telogen effluvium, and psoriatic alopecia)] for the presence of NHS. Read More
PLoS One 2017 14;12(12):e0189790. Epub 2017 Dec 14.
Department of Pathology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
Acne keloidalis nuchae, a type of folliculitis involving the back of the neck, is common in black men, although rare cases have been reported in patients of other ethnicities. We analyzed the clinicopathological features of acne keloidalis nuchae in 17 Asians. Patients' age at the time of presentation ranged from 20 to 69 years. Read More
Dermatol Surg 2017 Nov;43 Suppl 2:S140-S150
*Department of Dermatology, The George Washington Medical Faculty Associates, Washington, DC; †Department of Dermatology, The George Washington University School of Medicine and Health Sciences, Washington, DC; ‡Department of Dermatology, Georgetown University School of Medicine, Washington, DC; §Division of Dermatology, University of California, Los Angeles, California.
Background: Men of color include a diverse population encompassing individuals with Fitzpatrick skin Types IV through VI. Yet, there is a paucity of data describing the cosmetic concerns of this population.
Objective: To review the basic science of advantages and disadvantages of skin of color and pathophysiology, incidence, and treatment of disorders of cosmetic concern in men of color. Read More
JAMA Dermatol 2017 Dec;153(12):1325-1326
Department of Dermatology, University of Oklahoma Health Science Center, Oklahoma City.
Dermatol Surg 2018 Mar;44(3):413-420
Dermatology Department, New Cairo Hospital, Cairo, Egypt.
Background: Acne keloidalis nuchae (AKN) is a dermatological condition characterized by follicular-based papules and pustules that later form hypertrophic or keloid-like scars. Laser-assisted hair reduction such as 810-nm diode laser and 1,064-nm Nd:YAG laser have been used for treating AKN with promising results.
Objective: To evaluate the therapeutic effect and safety of alexandrite laser in the treatment of different lesions of AKN. Read More
Int J Dermatol 2017 Dec 3;56(12):1469-1470. Epub 2017 Oct 3.
School of Medicine, Universidad Especialidades Espíritu Santo, Samborondón, Ecuador.
BMJ Case Rep 2017 Sep 23;2017. Epub 2017 Sep 23.
Department of Dermatology, Charles Nicolle Hospital, University of Tunis El Manar, Faculte de Medecine de Tunis, Tunis, Tunisia.
Cutis 2017 Jul;100(1):31-35
Callender Dermatology and Cosmetic Center, Glenn Dale, Maryland, USA.
As increasing numbers of patients of African descent seek treatment for hair and scalp-related diseases, it is imperative that all dermatologists be adequately trained to address the concerns of this patient population. We present must-know information to effectively approach the concerns of patients with seborrheic dermatitis, acquired trichorrhexis nodosa, acne keloidalis nuchae, pseudofolliculitis barbae, alopecia, and common pediatric hair and scalp disorders. Read More
Skinmed 2017 1;15(4):247-249. Epub 2017 Aug 1.
Department of Dermatology and Cutaneous Biology, Jefferson Center for International Dermatology, Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA;
Int J Dermatol 2017 Aug 30;56(8):828-832. Epub 2017 Jun 30.
Department of Medicine, University of the West Indies, Kingston 7, Jamaica.
Background: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis which usually occurs in young adult males of African descent. Studies have suggested that AKN may be associated with other dermatologic conditions and even general medical disorders. The aim of this study was to identify cutaneous and extracutaneous associated disorders and to examine risk factors in our population for developing AKN. Read More
Clin Cosmet Investig Dermatol 2016 14;9:483-489. Epub 2016 Dec 14.
Dermatology Unit, Department of Medicine, College of Medicine, University of Ibadan, University College Hospital Ibadan, Oyo State, Nigeria.
Acne keloidalis nuchae (AKN) also known as folliculitis keloidalis nuchae (FKN) is a chronic form of scarring folliculitis seen mostly in men of African descent. The term AKN is commonly used even though the condition is not a keloid, and the affected individuals do not have a tendency to develop keloids in other areas of the body. It is seen in post pubertal men and is rare after the age of 55 years. Read More
Clin Dermatol 2016 Nov - Dec;34(6):690-697. Epub 2016 Jul 12.
Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL. Electronic address:
There are numerous skin conditions that occur commonly in children with ethnic skin, including vitiligo, progressive macular hypomelanosis, pityriasis alba, acne keloidalis nuchae, pseudofolliculitis barbae, and keloids. Though these conditions occur in both children and adults, children may have different patterns of clinical presentation and response to therapy. In caring for such patients, important treatment considerations include side effects of systemic medications and tolerability of invasive procedures. Read More
Dermatol Ther (Heidelb) 2016 Sep 18;6(3):363-78. Epub 2016 Jul 18.
Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.
Acne keloidalis nuchae (AKN) is a chronic inflammatory condition that leads to fibrotic plaques, papules and alopecia on the occiput and/or nape of the neck. Traditional medical management focuses on prevention, utilization of oral and topical antibiotics, and intralesional steroids in order to decrease inflammation and secondary infections. Unfortunately, therapy may require months of treatment to achieve incomplete results and recurrences are common. Read More
Br J Dermatol 2017 Jan 10;176(1):81-86. Epub 2016 Dec 10.
Department of Dermatology, Erasmus MC University Medical Centre Rotterdam, Rotterdam, the Netherlands.
Background: Pain is a common adverse effect of dermatological laser procedures. Currently, no standard topical anaesthetic cream exists for deeper dermal laser procedures.
Objectives: To compare the efficacy of lidocaine/tetracaine cream and lidocaine/prilocaine cream in reducing self-reported pain during deeper dermal laser treatment of acne keloidalis nuchae (AKN) and tattoos. Read More
Australas J Dermatol 2016 May;57(2):156-7
Department of Dermatology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Curr Probl Dermatol 2015 20;47:139-49. Epub 2015 Feb 20.
The management of hair and scalp conditions is difficult in any patient, especially given the emotional and psychological implications of hair loss. This undertaking becomes even more challenging in the ethnic patient. Differences in hair care practices, hair shaft morphology, and follicular architecture add complexity to the task. Read More
Ann Dermatol Venereol 2015 Nov 9;142(11):690-1. Epub 2015 Sep 9.
Service de dermatologie, hôpital militaire d'instruction Mohammed V, Hay Riad, 10000 Rabat, Maroc.
Australas J Dermatol 2017 Feb 29;58(1):e11-e13. Epub 2015 Jul 29.
Servicio de Dermatología, Hospital Costa del Sol, Marbella, Spain.
Acne keloidalis nuchae (AKN) is difficult to treat, and the clinical response is usually poor. Few reports have been published about scarring alopecia treated with radiotherapy (RT). We report a case of AKN that had been refractory to various other treatments but which responded to RT with excellent clinical and cosmetic results. Read More
Br J Dermatol 2015 Jul;173 Suppl 2:22-5
Department of Epidemiology and Medical Statistics, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.
Background: Folliculitis keloidalis nuchae (FKN) also known as acne keloidalis is the commonest form of scarring alopecia occurring in African males. It occurs mostly in individuals of African descent. Its prevalence ranges from 1·6% to 16·1%. Read More
Int J Dermatol 2015 20;54(5):e183-5. Epub 2015 Jan 20.
Department of Dermatology, Hospital Luis Vernaza, Guayaquil, Ecuador.
Clin Dermatol 2014 Nov-Dec;32(6):784-99. Epub 2014 Mar 1.
Sector of Dermatology and Post-Graduation Course, University Hospital, and School of Medicine, Federal University of Rio de Janeiro, Rua Dona Mariana 143/C-32, Botafogo 22280-020, Rio de Janeiro, Brazil.
This paper reviews the recent literature on the diseases of the hair and pilosebaceous unit that may cause a red face. We discuss the epidemiology, clinicals, pathogenesis, and therapy of lichen planopilaris with its variants, discoid lupus erythematosus, folliculitis decalvans, dissecting folliculitis, acne keloidalis nuchae, pseudofolliculitis barbae, tinea capitis, tinea barbae, folliculitis of diverse causative factors and inflammatory follicular keratotic syndromes, ulerythema ophryogenes, atrophoderma vermiculatum, keratosis follicularis spinulosa decalvans, and folliculitis spinulosa decalvans. Read More
Actas Dermosifiliogr 2015 May 24;106(4):260-70. Epub 2014 Oct 24.
Servicio de Dermatología, Fundación Jiménez Díaz, Universidad Autónoma, Madrid, España. Electronic address:
The diagnosis of disorders of the hair and scalp can generally be made on clinical grounds, but clinical signs are not always diagnostic and in some cases more invasive techniques, such as a biopsy, may be necessary. This 2-part article is a detailed review of the histologic features of the main types of alopecia based on the traditional classification of these disorders into 2 major groups: scarring and nonscarring alopecias. Scarring alopecias are disorders in which the hair follicle is replaced by fibrous scar tissue, a process that leads to permanent hair loss. Read More
Br J Dermatol 2014 Nov 1;171(5):1156-63. Epub 2014 Oct 1.
Department of Dermatology, Johns Hopkins University School of Medicine, 1550 Orleans Street, Baltimore, MD, 21231, U.S.A.
Background: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis with fibrotic papules on the occipital scalp. Its treatment is limited and unsatisfactory.
Objectives: To determine whether targeted ultraviolet B (tUVB) phototherapy will (i) improve the clinical appearance of AKN and (ii) induce extracellular matrix remodelling in affected lesions. Read More
Dermatol Clin 2014 Apr;32(2):183-91
Department of Dermatology, Howard University College of Medicine, 2041 Georgia Avenue, Northwest, Washington, DC 20060, USA.
Pseudofolliculitis barbae and folliculitis keloidalis nuchae are chronic follicular disorders disproportionately affecting men of African ancestry. This article explores the etiology, pathogenesis, treatment, and prevention strategies of these conditions. Effective treatment and prevention of these disorders involves pharmacologic and procedural interventions as well as behavioral modifications. Read More
Am Fam Physician 2013 Jun;87(12):859-65
Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Several skin conditions are more common in persons with skin of color, including dermatosis papulosa nigra, pseudofolliculitis barbae, acne keloidalis nuchae, and keloids. Dermatosis papulosa nigra is a common benign condition characterized by skin lesions that do not require treatment, although several options are available for removal to address cosmetic concerns. Pseudofolliculitis barbae occurs as a result of hair removal. Read More
S Afr Med J 2013 May 27;103(7):489-90. Epub 2013 May 27.
Division of Dermatology, Faculty of Health Sciences, University of Cape Town, South Africa.
The clean-shave haircut known locally as the chiskop is rare among females but popular with black South African men, who are also predisposed to folliculitis keloidalis nuchae (FKN) (keloids on the back of the head). During a previous study, participants described an unexpected symptom of haircut-associated bleeding. As this is not a widely recognised entity, we conducted the present study at an HIV clinic servicing the same population, with the objective of comparing the prevalences of haircut-associated bleeding and FKN in 390 HIV-positive subjects with published data for Langa (Western Cape, South Africa). Read More
JAMA Otolaryngol Head Neck Surg 2013 Apr;139(4):425-6
Sanford School of Medicine, University of South Dakota, Sioux Falls, SD, USA.
G Ital Dermatol Venereol 2013 Apr;148(2):231-2
Can Fam Physician 2013 Feb;59(2):159-60
University of Calgary, Alberta, Canada.
Eur J Dermatol 2012 Sep-Oct;22(5):645-50
Dermatology Department, Faculty of Medicine, Cairo University, 13th Abrag Othman, Kornish El Maadi, Cairo 11431, Egypt.
Background: Laser-assisted hair removal causes miniaturization of hair shafts which are the principal contributors to inflammation in acne keloidalis nuchae (AKN).
Objective: To assess the efficacy of hair reduction by long pulsed Nd-YAG laser as a therapeutic modality for AKN.
Methods: This interventional pilot trial included 16 patients with AKN who received 5 sessions of long pulsed Nd-YAG laser. Read More
G Ital Dermatol Venereol 2012 Apr;147(2):223-6
J Drugs Dermatol 2012 Apr;11(4):540-1
University of South Florida, Department of Dermatology and Cutaneous Surgery, Tampa, FL, USA.
Indian J Dermatol 2011 Jul;56(4):449-50
Department of Dermatology, Yenepoya Medical College, Karnataka, India. E-mail:
Int J Dermatol 2011 Oct;50(10):1212-6
Division of Dermatology Department of Statistical Sciences, Groote Schuur Hospital and University of Cape Town, Cape Town, South Africa.
Background: Folliculitis keloidalis nuchae (FKN), characterized by nucheal pimples and keloids, has a predilection for curly African hair. The disease is 10 times more common in males than females. The aim of this study was to investigate determinants of FKN in males. Read More
J Cutan Med Surg 2011 Jul-Aug;15(4):238-40
G Ital Dermatol Venereol 2011 Jun;146(3):247-8
J Clin Aesthet Dermatol 2011 Jan;4(1):36-9
Acne keloidalis nuchae is an idiopathic, scarring folliculitis characterized by the formation of papules and pustules that may ultimately develop into tumor-like masses distributed on the nape of the neck and occipital region of the scalp. This hyperproliferative disorder is most commonly seen in African-American men. While the pathogenesis remains uncertain, precipitating factors include localized trauma, chronic irritation, seborrhea, and androgen excess. Read More
Skinmed 2010 Sep-Oct;8(5):298-300
Division of Dermatology, Loyola University Medical Center, Maywood, IL 60153, USA.
A 35-year-old African American man presented with complaints of malodorous drainage from hypertrophic lesions on his occipital scalp (Figure 1, inset). The patient had no family history of keloid formation and no other keloids on his body. The hypertrophic mass on his scalp had been present for 10 years and had not been a result of any type of mechanical, surgical, or laser treatment. Read More
J Drugs Dermatol 2010 Oct;9(10):1249-57
Southern Illinois University, Division of Dermatology, Springfield, IL, USA.
Keloids and hypertrophic scars are abnormal responses to wound healing. In general, keloids may exhibit proliferative growth beyond the margins of the scar and will remain persistent; whereas hypertrophic scars will stay contained to the original wound and may regress over time. The authors will discuss the five different types of keloid: post-incisional, ear lobe, spontaneous, acne keloidalis nuchae (AKN) and sessile. Read More
Am J Clin Dermatol 2010 Dec;11(6):433-6
Diwalipura, Vadodara, India.
Acne keloidalis nuchae (AKN) is an inflammatory disease related to the spectrum of keloidal scarring alopecias. No association with internal disease has been described so far. We describe a case series of four Indian patients who showed an association of AKN with acanthosis nigricans, a skin marker for the metabolic syndrome (in particular obesity). Read More
Int Wound J 2008 Dec 19;5(5):655-9. Epub 2008 Sep 19.
Amee Society, Diwalipura, Vadodara, India.
We report a 53-year-old farmer who developed subcutaneous and cerebral masses 24 years after penetrating trauma during a tropic storm. Computed tomography scans, magnetic resonance imaging and histopathology disclosed actinomycetoma, a disease that rarely develops after trauma and is only occasionally seen with intracranial manifestation. Clinically, the cutaneous manifestation resembled acne keloidalis nuchae or dissecting folliculitis of the scalp. Read More
Am J Clin Dermatol 2008 ;9(2):137-40
Ayza Skin & Research Center, Lalamusa, Pakistan.
Keratosis follicularis spinulosa decalvans is a rare, X-linked disorder characterized by scarring alopecia of the scalp and eyebrows in the setting of widespread keratosis pilaris. Less frequent associations are ocular abnormalities and palmoplantar keratoderma. Acne keloidalis nuchae has previously been described in one patient with keratosis follicularis spinulosa decalvans. Read More
Clin Exp Dermatol 2008 Jan 9;33(1):53-5. Epub 2007 Oct 9.
Department of Dermatology, University Hospital of North Durham, Durham, UK.
Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis that presents clinically as follicular papules and pustules. These can coalesce into firm hypertrophic plaques and nodules on the nape of the neck, most commonly affecting young adult men. Treatment includes topical steroids/antibiotics and oral antibiotics, but often has disappointing results. Read More
Dermatol Ther 2007 May-Jun;20(3):128-32
Quarles Dermatology, 291 Independence Boulevard, Virginia Beach, VA 23462, USA.
Br J Dermatol 2007 Nov 24;157(5):981-8. Epub 2007 Aug 24.
Division of Dermatology, Groote Schuur Hospital and the University of Cape Town, Observatory 7925, South Africa.
Background: Anecdotal reports suggest that certain scalp disorders are common in Africans and may be associated with hairstyles.
Objectives: This study of 874 African adults in Cape Town was performed to test this hypothesis.
Methods: A questionnaire was administered and scalp examinations performed, after ethics approval. Read More
Br J Dermatol 2007 Jul 6;157(1):106-10. Epub 2007 Jun 6.
Division of Dermatology, Groote Schuur Hospital, University of Cape Town, Observatory 7925, South Africa.
Background: Anecdotal reports suggest that certain disorders are common in African hair and may be associated with hairstyles.
Objectives: A cross-sectional study of 1042 schoolchildren was performed to test this hypothesis.
Methods: A questionnaire was administered and scalp examinations performed, after ethics approval. Read More