๐ ็ธฝ็ฎ้ ๏ฝ ๐ ่ฑๆๅๆ๏ผๆฌ็ฏ๏ผ ๏ฝ ๐ ๅฎๆด็ฟป่ญฏ ๏ฝ โญ ็ฒพ่ฏ็ญ่จ
Ichthyosis with hypotrichosis
Ichthyosis with hypotrichosis
This congenital ichthyosis has two allelic variants, one characterized by a whole-body hypotrichosis without atrophoderma (autosomal recessive
77 Acquired ichthyosis-like conditions
Etiology Diseases
Dry skin None
Paraneoplastic Hodgkin and non-Hodgkin lymphoma Multiple myeloma, myelodysplasia Lymphomatoid papulosis Kaposi sarcoma Various carcinomas
Infections Leprosy Tuberculosis HIV/AIDS
Malnutrition Pellagra Vitamin A deficiency
Drugs (examples) Lipid-lowering agents (statins), retinoids Nicotinic acid, clofazimine, allopurinol, cimetidine, lithium, hydroxyurea
Gastrointestinal diseases Crohn disease Celiac disease Gastrectomy
Endocrinopathies Hyperparathyroidism Hypothyroidism Diabetes
Miscellaneous Renal insufficiency Sarcoidosis Graft-versus-host disease Dermatomyositis and systemic lupus erythematosus Down syndrome
Fig. 3.58 Ichthyosis follicularis with alopecia and photophobia: The hair follicle is atrophic and lacks a hair shaft; the opening contains a keratotic plug.
Table 3.4 Acquired ichthyosis-like conditions