December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
5 citations
,
September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
1 citations
,
August 2019 in “Chinese Medical Journal” A man developed facial skin lesions after a stem cell transplant, which improved with specific treatments.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
39 citations
,
January 2015 in “International journal for parasitology/International Journal for Parasitology” Epidermal keratinocytes start wound healing and inflammation after schistosome infection.
18 citations
,
September 1990 in “Veterinary Dermatology” Lambs' skin showed similar but more severe responses to a second orf virus infection, involving immune cells and new skin formation.
October 2022 in “JAAD case reports” A man with itchy skin lesions and weight loss was diagnosed with a rare skin condition linked to a pancreatic tumor.
26 citations
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May 2001 in “British Journal of Dermatology” Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.
October 2015 in “The American Journal of Gastroenterology” Allopurinol may cause rare granulomatous microscopic colitis.
2 citations
,
January 1990 in “PubMed” Perforating folliculitis is a skin condition with small bumps that may be linked to other diseases and is hard to treat.
July 2025 in “Journal of Investigative Dermatology” Resident memory T cells and necroptosis may drive fibrosis in eosinophilic fasciitis and morphea.
23 citations
,
January 2005 in “Nihon Ishinkin Gakkai zasshi” Nested PCR can reliably identify fungal infections when traditional methods fail.
2 citations
,
May 2020 in “JAAD case reports” Ruxolitinib can cause a delayed skin reaction on the nose.
June 2025 in “Histopathology” Epithelial elements in superficial angiomyxomas are non-neoplastic growths mimicking embryogenesis.
April 2021 in “BMJ Case Reports” Accurate diagnosis of pseudolymphomatous folliculitis is crucial to avoid mistaking it for more serious conditions.
2 citations
,
August 2020 in “Journal of Cosmetic Dermatology” Higher granulysin levels in the blood are linked to more severe hair loss in alopecia areata patients, and these levels decrease after effective treatment.
6 citations
,
January 2005 in “Biology of Blood and Marrow Transplantation” Graft-versus-host disease occurs when donor immune cells attack the recipient's body, causing skin, gut, and liver damage.
December 2025 in “Mycoses” The study developed a successful mouse model to study skin infections, highlighting the importance of choosing the right fungal strains.
1 citations
,
May 2025 in “The Journal of Rheumatology” A fungus ball in the lung can cause coughing up blood in SLE patients.
13 citations
,
February 2006 in “Clinical and Experimental Dermatology” A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
4 citations
,
October 2001 in “Mycoses” A young cat had a rare fungal infection caused by Microsporum gypseum.
47 citations
,
June 2013 in “Biology of blood and marrow transplantation” Mice with human fetal thymic tissue and stem cells developed symptoms similar to chronic graft-versus-host disease.
June 2020 in “Zenodo (CERN European Organization for Nuclear Research)” Controlled microflora in animals delays immune cell maturation and affects immunity.
51 citations
,
May 1984 in “Journal of the American Academy of Dermatology” Benign follicular mucinosis involves immune cells attacking hair follicles.
23 citations
,
January 2014 in “Evidence-based Complementary and Alternative Medicine” Mushroom beta-glucans from Ganoderma lucidum can reduce tumor size and metastasis in cancer.
January 2007 in “Linchuang pifuke zazhi” A 15-year-old boy had a rare skin growth on his buttock.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
127 citations
,
January 2000 in “Journal of Investigative Dermatology” Cytotoxic T cells cause hair loss in chronic alopecia areata.
4 citations
,
October 2024 in “International Journal of Molecular Sciences” GCN reduces lung inflammation and damage from air pollution in mice.