Clustered intraepidermal lymphocytes and Langerhans cell microgranulomas are consistently observed in hyperkeratotic palmoplantar eczema compared with palmoplantar psoriasis and mycosis fungoides palmaris et plantaris.
Kim SR, McNiff JM, Ko CJ.
J Am Acad Dermatol. 2022 Oct;87(4):884-886. doi: 10.1016/j.jaad.2021.11.057. Epub 2021 Dec 6.
PMID:34883152
Intractable plantar keratosis.
SCHWARTZ SS.
J Am Osteopath Assoc. 1958 Apr;57(8):513-4; discussion 514-5.
PMID:13538771
The treatment of keratosis palmaris et plantaris with isotretinoin. A multicenter study.