A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
April 2009 in “The FASEB Journal” Keratin biomaterials from human hair help nerve regeneration by activating Schwann cells.
Deleting Smad4 and PTEN genes in mice causes rapid, invasive forestomach cancer.
21 citations
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June 2010 in “Anais Brasileiros De Dermatologia” The document reports the first Brazilian case of a girl with Becker nevus syndrome, characterized by skin changes, breast underdevelopment, and scoliosis.
November 2023 in “International surgery journal” A man's neck lump was a trichilemmal cyst, not cancer, and should be fully removed due to rare risk of becoming malignant.
1 citations
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May 2007 in “Chinese Medical Journal” Complete removal of large scalp nevi is recommended to prevent complications.
October 2025 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Waldenstrom’s Macroglobulinaemia can mimic multiple myeloma, so accurate diagnosis is crucial.
80 citations
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June 2000 in “Modern Pathology” Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.
32 citations
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January 2006 in “Acta dermato-venereologica” SACUMAN, a rare condition causing hair loss without clear signs, is often misdiagnosed and needs scalp biopsies for accurate detection.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
January 2005 in “Journal of Cutaneous Pathology” A new benign nail tumor called onychoblastoma was identified.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
2 citations
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March 2019 in “Veterinary dermatology” Thymoma in cats can cause hair loss without inflammation.
Deleting Smad4 and PTEN genes in mice causes rapid, invasive stomach cancer.
October 2024 in “Frontiers in Oncology” A new gene mutation linked to Olmsted syndrome may increase cancer risk, suggesting the need for ongoing patient monitoring.
3 citations
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May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin lesions in Carney Complex are caused by a gene change in some skin cells that leads to increased pigmentation and may lead to tumors.
1 citations
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January 2021 in “Dermatology Review” A young man developed a rare, bilateral scalp condition after head trauma, causing hair loss but no neurological or eye issues.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A girl with Becker naevus syndrome has a genetic variant in the ACTB gene related to her symptoms.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
47 citations
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February 2014 in “Journal of Cutaneous Pathology” Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
2 citations
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June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.
38 citations
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June 2005 in “International Journal of Dermatology” A man with nevus comedonicus syndrome had multiple skin issues, including basal cell carcinomas, which improved with treatment.
April 2023 in “Authorea (Authorea)” A young woman with a rare skin cancer was diagnosed late because her symptoms were unusual for the disease.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
March 2026 in “The Journal of Dermatology” Hair transplantation in nevus sebaceus maintains hair cycling but doesn't prevent tumor growth; complete excision is recommended.
39 citations
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February 2011 in “American Journal of Dermatopathology” Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
81 citations
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August 1979 in “Archives of Dermatology” Trichofolliculomas can sometimes be more aggressive than thought.