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This review highlights that trichofolliculomas can resemble certain skin cancers, emphasizing the importance of recognizing their clinical features to avoid unnecessary surgery; it reports no new clinical results.

This report discusses two cases of porokeratotic eccrine ostial and dermal duct nevus and porokeratotic eccrine and hair follicle nevus, suggesting they may represent a single clinical entity, but reports no therapeutic outcomes.

This classification proposal introduces a novel system for categorizing cutaneous adnexal cysts based on their origin in the folliculosebaceous unit and sweat glands, aiming to simplify and enhance understanding of these skin lesions.

This discussion reviews the classification and naming of cutaneous cysts, proposing that cysts typically named cutaneous keratocyst and steatocystoma should be unified under the term "sebaceous duct cyst," but it reports no new clinical results.

This article proposes a new classification system for cutaneous adnexal cysts based on their origin in the folliculo-sebaceous unit and sweat glands, aiming to clarify their categorization and origins.

This article reviews different perspectives on nevus comedonicus, discussing its classification and potential associations with systemic findings, but it reports no new results.

In this histopathology study of nevus sebaceus, researchers observed distinct epidermal, sebaceous, follicular, and apocrine changes, including sebaceous hyperplasia and basaloid adnexal proliferation, which help differentiate it from similar conditions like basal cell carcinoma and trichoblastoma.

This case report discusses a benign trichofolliculoma in a 40-year-old woman, confirmed through histopathological examination with no recurrence noted during a one-year follow-up period.

This case report describes a unique lesion in a 10-month-old girl, characterized by increased eccrine glands and hair follicles, leading to the proposed term "hybrid eccrine gland and hair follicle hamartoma".

This case report describes successful CO2 ablation treatment of porokeratotic adnexal ostial nevus in an 8-year-old boy, with marked improvement over a 12-year follow-up.

In this report, two pediatric cases of solitary basaloid follicular hamartoma, a rare benign skin malformation often misdiagnosed, were documented using dermoscopy, highlighting its clinical diversity and the need for accurate diagnosis.

This review discusses recent findings on molecular changes in cutaneous adnexal tumours and reports novel markers and pathways involved, highlighting the diverse oncogenic drivers and tumour suppressor alterations.

This review systematically analyzed literature to differentiate desmoplastic trichoepitheliomas from other cutaneous tumors based on clinical, histopathological, and immunohistochemical features but reports no new clinical results.

This case report describes an 18-year-old male with a rare acquired smooth muscle hamartoma on his face, characterized by hyperpigmented plaques and increased hair growth, suggesting a histological overlap with folliculosebaceous cystic hamartoma.

In this study, among patients with clinically suspected appendageal tumours, histopathology confirmed their presence in 42 cases, with benign types found more frequently than malignant ones.

This systematic review provides a detailed overview of the clinical and dermoscopic features of cutaneous adnexal tumors, highlighting their potential to mimic other skin lesions and assisting in differential diagnosis.

This report describes a unique benign neoplasm on the nail unit called onychoblastoma, which histologically resembles a trichoblastoma, marking the first documented case of this tumor type.

In this case report, researchers described a unique skin lesion in a 55-year-old woman, identifying it as folliculosebaceous cystic hamartoma with an unusual combination of spindle cell lipomatous and neural components, which had not been previously documented in such cases.

The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."

In this case study, researchers reported a rare instance of trichofolliculoma on the scalp in a 31-year-old male with constriction band syndrome, marking the first known association with amniotic band syndrome.

This review examines skin diseases affecting the pinna of dogs and cats, highlighting those unique to this area and noting its role as a common initial site for several conditions; it reports no new results.

This study documented distinct expression patterns of stem cell markers LGR5 and LGR6 in various human skin tumors, highlighting differences in their potential roles and contributions to tumor development.

This study confirms previous observations that benign lipogenic lesions may contain eccrine/apocrine glandular components, potentially due to adipocytic proliferation entrapping glandular structures.

This case report emphasizes the need to consider Sertoli-Leydig cell tumors in the differential diagnosis of adnexal masses in patients with Peutz-Jeghers syndrome, noting that these tumors can present unusually with bilateral adnexal involvement.

This case study described the diagnosis of a trichofolliculoma in a 56-year-old woman, emphasizing its dermoscopic features and histological aspects that confirmed the tumor type, with no recurrence observed after excision.

In this study, authors reported that reflectance confocal microscopy may aid in diagnosing trichofolliculoma by identifying specific features correlated with histopathology that can be difficult to discern with other methods.

This case report identifies a potential new syndrome characterized by trichoepitheliomas and alopecia, which may be associated with myasthenia gravis.

In this case report, researchers observed multiple trichofolliculomas in family members, noting this as a rare manifestation of typically singular hair follicle hamartomas.

This report describes a case of widespread Porokeratotic eccrine and hair follicle nevus in a 15-year-old woman with keratitis-ichthyosis-deafness syndrome, involving both eccrine ostia and hair follicle infundibula.

This study found that sex steroid hormone receptors are largely maintained during the transformation of skin appendages to neoplasms, except for androgen and estrogen receptors in sweat and sebaceous gland tumors.