ABSTRACT
A proliferating pilar tumor is a rare skin neoplasm that arises from the outer root sheath of a hair follicle. Presentation varies widely, as the tumor can be benign or malignant and has a high probability of recurring after excision. We report our experience managing 3 proliferating pilar tumors with different clinical presentations and pathology findings at Hospital de San José, Bogota, Colombia.
Subject(s)
Hair Diseases/pathology , Hair Follicle , Head and Neck Neoplasms/pathology , Scalp , Skin Neoplasms/pathology , Adult , Aged , Colombia , Diagnosis, Differential , Female , Hair Diseases/surgery , Head and Neck Neoplasms/surgery , Humans , Male , Middle Aged , Neoplasm Recurrence, Local , Neoplasms, Basal Cell/pathology , Skin Neoplasms/surgeryABSTRACT
RESUMEN El tumor triquilemal proliferante es una neoplasia poco frecuente, usualmente sólida o parcialmente quística que se origina de la vaina externa de la raíz de un folículo piloso. Ocurre principalmente como una lesión solitaria en el cuero cabelludo de mujeres mayores. Presentamos el caso de una mujer de 56 años con un tumor cervical de nueve años de evolución. El estudio de la pieza de resección confirmó el diagnóstico.
ABSTRACT Trichilemmal proliferating tumor is an infrequent neoplasia, usually solid or partially cystic, originating in the external root sheath of hair follicle. It occurs mainly as a solitary lesion in the scalp in older women. We report the case of a 56 years old woman with a cervical tumor of nine years of growth. Histology of the resection specimen confirmed the diagnosis.
Subject(s)
Humans , Female , Middle Aged , Scalp/pathology , Skin Neoplasms/pathology , Skin Neoplasms/diagnosis , Tomography, X-Ray Computed , Epidermal CystABSTRACT
El tumor triquilemal proliferante es una dermatosis tumoral poco frecuente y derivada de la capa externa de la raíz del folículo piloso. Generalmente, es de características benignas, tiende a ser recidivante y se han reportado casos de transformaciones malignas en la bibliografía mundial. El caso trata de una paciente femenina de 59 años, con una neoformación exofítica nodular lobulada de crecimiento lento en piel cabelluda, de 5 años de evolución, con recidivas después de 3 cirugías. No se documentó compromiso óseo ni cerebral en los estudios de gabinete. La biopsia mostró proliferación de nidos de células escamosas en dermis, separados por bandas de tejido fibroso de la epidermis. El abordaje quirúrgico es el tratamiento de elección de esta patología.
Proliferating trichilemmal tumor is a rare cutaneous neoplasm originating from the outer root sheath of a hair follicle. It is usually benign, tends to recur and cases of malignant transformations have been reported in worldwide literature. Our case relates to a 59-year-old female with a slow-growth exophytic nodular lobulated tumor with a 5-year development and recurrences after 3 previous surgeries. Clinical imaging showed no skull or cerebral involvement. The biopsy showed proliferating squamous cell clusters in dermis separated by fibrous tissue in the epidermis. Surgical excision is the best choice of treatment for this disease.
