research Single Best Answers
The document provides 70 multiple choice questions to improve haematology skills.
Search
for
Sort by
Research
120-150 / 1000+ results 
research Section 2: Single Best Answers Questions 51–120
The document tests knowledge and decision-making in hematology through multiple-choice questions.
research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
research Reversible hyperpigmentation of skin and nails with white hair due to vitamin B12 deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
research Presence of iron in segmented heterochromia of the scalp hair without iron-deficiency anaemia
Iron can be present in hair color changes without overall iron deficiency.
research Atypical bilateral hyperpigmented macules on the lower legs possibly due to cyclophosphamide.
Cyclophosphamide likely causes skin darkening by affecting hair follicles.
research Reversible Hyperpigmentation of Skin and Nails With White Hair due to Vitamin B12 Deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
research The Effect of Ruby Laser Light on Cellular Proliferation of Epidermal Cells
Ruby laser hair removal does not cause increased cell growth in the skin.
research Skin Hyperpigmentation in Complex Regional Pain Syndrome (CRPS) (P3.315)
Skin pigmentation increases in CRPS-affected areas and improves with symptom relief.
research Origin, Clinical Presentation, and Diagnosis of Facial Hypermelanoses
Facial dark spots can be caused by the sun, genetics, makeup, or medicine, and are diagnosed by patient history and skin tests.
research Nearly complete hair re-pigmentation in an older patient treated with hydroxyurea for essential thrombocytosis
Hydroxyurea treatment unexpectedly restored hair color from gray to dark brown in an older woman.
research Becker's Melanosis and Hypertrichosis*
Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Disorders of Hair Pigmentation
Hair color is determined by melanin and can be affected by genetic conditions like albinism.
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 Tyrosinase inhibition due to interaction of homocyst(e)ine with copper: the mechanism for reversible hypopigmentation in homocystinuria due to cystathionine beta-synthase deficiency.
Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
research Homeostasis and Cancer Symptom in Elemental Concentration Profiles of Hair Observed by Fluorescent X-ray Analysis with Synchrotron Radiation
Hair analysis can help screen for serious diseases like cancer and osteoporosis.
research The color of skin: white diseases of the skin, nails, and mucosa
The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.
research A childhood case of trichotillomania associated with body dysmorphic disorder and stigmatization due to outstanding red hair
A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
research ERYTHROMELANOSIS FOLLICULARIS FACIEI ET COLLI
Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
research Treatment of Exogenous Ochronosis With Advanced Fluorescence Technology
Advanced fluorescence technology effectively treats skin discoloration from certain creams.
research BH21 Segmented heterochromia with calibre change: an under-recognized sign of alopecia areata
Segmented hair color changes can indicate active alopecia areata.
research Macrocytosis and pseudoalbinism: Manifestations of selenium deficiency
Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
research Reversible Hyperpigmentation: A Diagnostic Dilemma
Vitamin B12 deficiency can cause reversible skin darkening.
research An introduction to skin disease in melanin rich skin
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
research Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency.
Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
research A retrospective review of hyperaesthetic leucotrichia in horses in the USA
Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
research Ovarian Hyperthecosis Presenting as Polycythemia
Ovarian hyperthecosis can cause polycythemia, and surgery can normalize symptoms.
research Mutations in ABCB6 Cause Dyschromatosis Universalis Hereditaria
Mutations in the ABCB6 gene cause Dyschromatosis Universalis Hereditaria.