January 2026 in “Indian Journal of Paediatric Dermatology” In this case report, a 14-year-old boy was diagnosed with nevus comedonicus, a condition characterized by dilated follicular openings filled with keratin, presenting in a Blaschkoid pattern; treatment with topical tretinoin 0.1% cream was recommended.
This case report describes a six-year-old girl with hypertrichosis cubiti, characterized by excess terminal hair growth around the elbows, and notes treatment with over-the-counter depilatory creams and shaving to address aesthetic concerns.
April 2025 in “Asian Journal of Case Reports in Surgery” This case report of a 60-year-old male patient diagnosed with trichilemmal carcinoma, initially mistaken for a sebaceous cyst, highlights the importance of careful evaluation of atypical swellings for correct diagnosis and treatment.
2 citations
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June 1989 in “Archives of Dermatology” This case report describes a 65-year-old man's trichofolliculoma, a hair follicle-origin tumor, which appeared as a persistent cheek pore extrusion and was removed at the patient's request.
1 citations
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June 2011 in “대한구강악안면외과학회지” This case study reports an epidermoid cyst diagnosis in a woman who developed swelling in the left parotid gland following botulinum toxin injection in the left masseter muscles.
4 citations
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March 2005 in “Archives of Pathology & Laboratory Medicine” This case report describes a basal cell carcinoma arising in association with a vellus hair cyst, which the authors note has not been previously reported.
27 citations
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June 2017 in “International Journal of Dermatology” This study found that acne keloidalis nuchae was associated with pseudofolliculitis barbae, chronic scalp folliculitis, and aspects of the metabolic syndrome, particularly hypertension, in the examined population.
2 citations
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June 2012 in “American Journal of Dermatopathology” This case study describes a rare cutaneous follicular hybrid cyst intimately associated with syringocystadenoma papilliferum, proposing a potential relationship with the infrainfundibulum based on keratin expression.
December 2009 in “Journal of Veterinary Clinics” The authors diagnosed a 5-year-old Pekinese dog with keratoacanthoma with granulomatous inflammation, and the mass did not recur 5 months after surgical removal.
September 2024 in “The Journal of Dermatology” In this study, researchers reported a rare case of nevus comedonicus with hair growth in a 26-year-old male, challenging prior reports that affected lesions typically lack the capability to develop terminal hair.
April 2025 in “Indian Journal of Dermatology” In this case report, a 24-year-old male with a translucent nodule in the left nasolabial fold was diagnosed with a solitary fibrofolliculoma with cystic changes upon histopathology, emphasizing the rarity and potential for misdiagnosis of these benign cutaneous tumors.
40 citations
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May 2010 in “American Journal of Clinical Dermatology” This study reports that four Indian patients with acne keloidalis nuchae also exhibited acanthosis nigricans, suggesting a potential link to metabolic syndrome, though further research is needed to confirm this association.
May 2015 in “Actas Dermo-Sifiliográficas” A young man was unexpectedly diagnosed with basal cell carcinoma after a scalp examination and confocal microscopy.
January 2006 in “International water power & dam construction” This report details a rare case of late-onset, bilateral nevus comedonicus on the eyelids in a 79-year-old man, discussing its clinical presentation and histopathologic features without presenting new research findings.
2 citations
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January 2022 in “International journal of trichology” This case report details a rare instance of eruptive vellus hair cysts in a 12-year-old male, highlighting its atypical morphology and axillary distribution, which has not been previously documented.
June 2021 in “The Journal of Family Practice” This case report discusses a 69-year-old woman with alopecia areata who presented with a growing lesion on her hand, raising diagnostic considerations during her appointment for scalp steroid injections.
1 citations
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March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
January 2024 in “Dermatologic therapy” This review describes the characteristics and treatment of acne keloidalis nuchae, focusing on related conditions and available therapeutic approaches, but presents no new clinical findings.
1 citations
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January 2009 In this case report, a 25-year-old man with nevus comedonicus showed no improvement from keratolytics and topical tretinoin, but had success with surgical excision of the lesions.
3 citations
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January 1988 in “PubMed” This study found that scalp basal cell carcinomas do not appear to behave more aggressively than other types, despite suggestions in the literature.
21 citations
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January 2009 in “Indian journal of dermatology, venereology, and leprology” A new method can better diagnose eruptive vellus hair cysts.
16 citations
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December 2006 in “International Journal of Dermatology” This clinical case study describes an aggressive squamous cell carcinoma developing within a giant epidermal cyst on the abdomen.
87 citations
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August 1974 in “Journal of Investigative Dermatology”
In this case report, an African American male with signs of acne keloidalis nuchae highlights the condition's chronic nature and need for early intervention to minimize permanent scarring and its psychosocial impact.
10 citations
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June 2007 in “Journal of Oral and Maxillofacial Surgery” A man's rare tumor caused unusual nerve-related symptoms that improved after surgery.
August 2020 in “SKIN The Journal of Cutaneous Medicine” This case report describes a 70-year-old man's development of residual hidrocystomas and milia after resolving an acneiform eruption induced by cetuximab, marking a novel observation of this sequence.
3 citations
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October 2013 in “International Journal of Rheumatic Diseases” This case report found that a patient with cutaneous polyarteritis nodosa experienced rare and severe manifestations, including digital gangrene and a breast ulcer, requiring aggressive treatment and resulting in below-knee amputation.
January 2015 in “프로그램북(구 초록집)” This case report describes an unusual instance of eruptive syringomas in a 25-year-old man, persisting for about 10 years, which is atypical given the patient's sex and the condition's usual presentation.
31 citations
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October 1992 in “Archives of Dermatology” This article presents a case study of a 25-year-old man with persistent scalp nodules and abscesses with patchy alopecia, unaffected by a course of oral tetracycline.
5 citations
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February 2015 in “New England journal of medicine/The New England journal of medicine” This diagnostic case study describes a 25-year-old man with oral ulcers, body rash, and erythematous nodules.