research Coexistence of giant blue nevus of the scalp with hair loss and alopecia areata
A giant blue nevus on the scalp can cause hair loss and may damage underlying structures.
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120-150 / 1000+ resultsresearch Generalized Hair-Follicle Hamartoma
Skin biopsy is crucial for diagnosing unknown baldness causes.
research Unilateral Straight Hair—A Symptom of Acquired Horner's Syndrome in a Neonate
A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.
research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
research Superficial angiomyxoma with trichofolliculoma
A rare benign tumor with hair follicle features was found on a man's trunk.
research Pathologic Quiz Case: A Nodule on the Back
The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
research Linear trichoepithelioma on the neck of a 15-year-old girl
A 15-year-old girl has a benign skin tumor on her neck.
research Atrichia and Papular Lesions: Report of a Case
A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
research Disseminated Nonsegmental Vitiligo Associated With Halo Nevi and Premature Gray Hair
A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.
research Congenital atrichia with papular lesions
Congenital atrichia with papular lesions causes permanent hair loss and skin bumps from birth.
research Seborrheic keratosis
Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
research Spangled hair in siblings
Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
research Persistent Halo Scalp Ring Alopecia in a-9-Months Old Infant: Case Report
A 9-month-old baby had a rare, persistent ring-shaped hair loss condition.
research A Rare Case of Facial Trichofolliculoma
A rare skin bump with tiny hairs was successfully removed from a man's face.
research Eyebrow Pilomatrixoma Presenting With Localized Alopecia and Skin Hypopigmentation
A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
research Nevus comedonicus of the scalp.
A 10-year-old boy was diagnosed with a rare scalp condition causing hair loss and treated with a topical cream.
research Localized Acquired Alopecia over the Mental Area of Chin
A 12-year-old boy has a rare, harmless hair loss on his chin with no need for treatment.
research Alopecia in a Linear Pattern
A 4-year-old boy has a rare type of hair loss in a line pattern on his scalp.
research Familial Occurrence of Eruptive Vellus Hair Cysts
Eruptive vellus hair cysts can run in families.
research A unique presentation of trichofolliculoma in amniotic band syndrome
Trichofolliculoma was found in a person with amniotic band syndrome for the first time.
research Alopecia totalis in an infant
An infant with complete hair loss was diagnosed with a genetic disorder affecting hair growth.
research A Newborn With Hair Loss
The baby’s hair loss was due to a rare genetic condition, not treatable by usual methods.
research P422 : Eruptive syringoma: an unusual presentation with androgenetic alopecia
A 25-year-old man had an unusual case of benign skin tumors and hair loss.
research Location and fine structure of melanocytes in human fetal scalp hair follicles.
Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
research Pilomatricoma on the Abdomen with Overlying Striae Distensae: A Unique Presentation
A rare case of a benign hair follicle tumor with unusual skin changes highlights the need for timely diagnosis to prevent potential cancer.
research Congenital Triangular Alopecia
Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
research Papular atrichia
An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
research SUBEPIDERMAL CALCIFIED NODULE OF THE EAR IN A CHILD WITH HAIR FOLLICLE NEVUS
A 9-year-old boy had a calcium deposit nodule on his earlobe.
research Late onset nevus comedonicus of scalp: a rare site for an uncommon condition
A rare skin condition appeared on a 19-year-old woman's scalp.
research Woolly Hair in Two Siblings
Two siblings have a rare genetic condition causing curly, coarse hair.