H H Chan

Summary

Affiliation: University of Hong Kong
Country: China

Publications

  1. ncbi request reprint In vitro study examining the effect of sub-lethal QS 755 nm lasers on the expression of p16INK4a on melanoma cell lines
    Henry H L Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong
    Lasers Surg Med 32:88-93. 2003
  2. ncbi request reprint An in vivo study comparing the efficacy and complications of diode laser and long-pulsed Nd:YAG laser in hair removal in Chinese patients
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong
    Dermatol Surg 27:950-4. 2001
  3. ncbi request reprint Use of 1,320 nm Nd:YAG laser for wrinkle reduction and the treatment of atrophic acne scarring in Asians
    Henry H L Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong
    Lasers Surg Med 34:98-103. 2004
  4. ncbi request reprint Role of skin cooling in improving patient tolerability of Q-switched Alexandrite (QS Alex) laser in nevus of Ota treatment
    Henry H L Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Lasers Surg Med 32:148-51. 2003
  5. ncbi request reprint The use of pulsed dye laser for the prevention and treatment of hypertrophic scars in chinese persons
    Henry H Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Dermatol Surg 30:987-94; discussion 994. 2004
  6. ncbi request reprint Clinical application of lasers in Asians
    Henry H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong, SAR
    Dermatol Surg 28:556-63. 2002
  7. ncbi request reprint Efficacy and safety of tacrolimus ointment monotherapy in chinese children with atopic dermatitis
    Chi Keung Yeung
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Skinmed 5:12-7. 2006
  8. doi request reprint Special considerations for darker-skinned patients
    Henry H L Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong, SAR, China
    Curr Probl Dermatol 42:153-9. 2011
  9. ncbi request reprint Nevus of Ota: a new classification based on the response to laser treatment
    H H Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong
    Lasers Surg Med 28:267-72. 2001
  10. ncbi request reprint A retrospective analysis of complications in the treatment of nevus of Ota with the Q-switched alexandrite and Q-switched Nd:YAG lasers
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong
    Dermatol Surg 26:1000-6. 2000

Collaborators

Detail Information

Publications35

  1. ncbi request reprint In vitro study examining the effect of sub-lethal QS 755 nm lasers on the expression of p16INK4a on melanoma cell lines
    Henry H L Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong
    Lasers Surg Med 32:88-93. 2003
    ..The p16 gene has been proposed as the candidate gene for melanoma. Our objective is to examine the effect of sub-lethal laser damage on p16 expression in melanoma cell lines...
  2. ncbi request reprint An in vivo study comparing the efficacy and complications of diode laser and long-pulsed Nd:YAG laser in hair removal in Chinese patients
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong
    Dermatol Surg 27:950-4. 2001
    ..Lasers with long wavelengths are less well absorbed by melanin and are considered to be particularly suitable for hair removal in dark-skinned patients...
  3. ncbi request reprint Use of 1,320 nm Nd:YAG laser for wrinkle reduction and the treatment of atrophic acne scarring in Asians
    Henry H L Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong
    Lasers Surg Med 34:98-103. 2004
    ..The objective of our study was to investigate the effectiveness of 1,320 Nd:YAG laser in wrinkle reduction and the treatment of atrophic acne scarring in Asians...
  4. ncbi request reprint Role of skin cooling in improving patient tolerability of Q-switched Alexandrite (QS Alex) laser in nevus of Ota treatment
    Henry H L Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Lasers Surg Med 32:148-51. 2003
    ..However, the simultaneous use of skin surface cooling and laser surgery may limit the damage of non-target tissue...
  5. ncbi request reprint The use of pulsed dye laser for the prevention and treatment of hypertrophic scars in chinese persons
    Henry H Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Dermatol Surg 30:987-94; discussion 994. 2004
    ..Furthermore, most previous studies examined its use in patients with light skin types, and the use of pulse dye laser in dark-skinned patients for the treatment of hypertrophic scars is not well established...
  6. ncbi request reprint Clinical application of lasers in Asians
    Henry H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong, SAR
    Dermatol Surg 28:556-63. 2002
    ..In Asians, some conditions such as nevus of Ota are frequently seen and certain adverse reactions, especially postinflammatory hyperpigmentation, tend to be more common...
  7. ncbi request reprint Efficacy and safety of tacrolimus ointment monotherapy in chinese children with atopic dermatitis
    Chi Keung Yeung
    Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong
    Skinmed 5:12-7. 2006
    ..To assess the efficacy and patients' tolerance of topical tacrolimus ointment for the treatment of atopic dermatitis in Chinese children during hot and humid seasons...
  8. doi request reprint Special considerations for darker-skinned patients
    Henry H L Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong, SAR, China
    Curr Probl Dermatol 42:153-9. 2011
    ..Thus, careful selection of laser and light source parameters in conjunction with skin cooling are important in obtaining desirable clinical outcomes in ethnic skin...
  9. ncbi request reprint Nevus of Ota: a new classification based on the response to laser treatment
    H H Chan
    Division of Dermatology, Department of Medicine, The University of Hong Kong
    Lasers Surg Med 28:267-72. 2001
    ..Our objective is to retrospectively study our series of laser-treated patients with the aim of re-classifying nevus of Ota, so that such important issues can be taken into account...
  10. ncbi request reprint A retrospective analysis of complications in the treatment of nevus of Ota with the Q-switched alexandrite and Q-switched Nd:YAG lasers
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong
    Dermatol Surg 26:1000-6. 2000
    ..Studies on the use of Q-switched alexandrite (QS alex) and QS Nd:YAG lasers in the treatment of nevus of Ota were limited to case reports and small series. There was no study that looked at the complication rate of these systems...
  11. ncbi request reprint An in vivo trial comparing the clinical efficacy and complications of Q-switched 755 nm alexandrite and Q-switched 1064 nm Nd:YAG lasers in the treatment of nevus of Ota
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Prince of Wales Hospital, Hong Kong
    Dermatol Surg 26:919-22. 2000
    ..Although both machines may appear to be similar in effectiveness, the low number of treatment sessions may contribute to this apparent lack of difference...
  12. ncbi request reprint Nevus of Ota: clinical aspects and management
    Henry H L Chan
    The Division of Dermatology, Department of Medicine, University of Hong Kong, Room 802 Administration Building, Queen Mary Hospital, Hong Kong, PR China
    Skinmed 2:89-96; quiz 97-8. 2003
    ..In the last decade, the use of Q-switched lasers has revolutionized the treatment of this condition. This review summarizes the clinical, histologic, and management aspects of this dermal melanocytic hamartoma...
  13. ncbi request reprint An in vivo trial comparing the use of different types of 532 nm Nd:YAG lasers in the treatment of facial lentigines in Oriental patients
    H H Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong
    Dermatol Surg 26:743-9. 2000
    ..This can increase the risk of hyperpigmentation when used for the treatment of lentigines in dark-skinned patients...
  14. ncbi request reprint Prevalence and extent of subclinical atherosclerosis in patients with psoriasis
    K H Yiu
    Division of Cardiology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China
    J Intern Med 273:273-82. 2013
    ..Patients with psoriasis are prone to premature atherosclerosis and increased risk of cardiovascular disease events. However, the prevalence and extent of atherosclerosis in patients with psoriasis are unknown...
  15. pmc Asthma, atopy and tuberculin responses in Chinese schoolchildren in Hong Kong
    G W Wong
    Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Special Administrative Region, China
    Thorax 56:770-3. 2001
    ..This study investigates the relationship between asthma, allergic symptoms, atopy, and tuberculin response in Chinese schoolchildren who received BCG vaccination at birth...
  16. ncbi request reprint Skin care in burn patients: a team approach
    W S Ho
    Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
    Burns 27:489-91. 2001
    ..The purpose of this study was to evaluate the impact of a skin care program run by a Skin Care Team on the rehabilitation of burn patients in a tertiary burn centre. The role of different members of the team was also discussed...
  17. doi request reprint Relationship between parathyroid hormone and subclinical myocardial dysfunction in patients with severe psoriasis
    C T Zhao
    Division of Cardiology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China Traffic Hospital in Shan Dong Province, China
    J Eur Acad Dermatol Venereol 28:461-8. 2014
    ..We hypothesized that vit-D deficiency and/or elevated PTH in psoriasis may contribute to left ventricular (LV) dysfunction...
  18. ncbi request reprint A retrospective study on the efficacy and complications of Q-switched alexandrite laser in the treatment of acquired bilateral nevus of Ota-like macules
    A Y Lam
    Division of Dermatology, Department of Medicine, University of Hong Kong
    Dermatol Surg 27:937-41; discussion 941-2. 2001
    ..Transient hypopigmentation risk was high, affecting up to 50% of the patients. Further study is warranted to compare the efficacy and complications of different laser systems in the treatment of this condition...
  19. ncbi request reprint A study of burn injuries in the elderly in a regional burn centre
    W S Ho
    Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
    Burns 27:382-5. 2001
    ..In addition, 40 patients (42.5%) had their wounds treated inappropriately. Seven patients died in this series which yielded a mortality rate of 7.4%. The outcomes of early versus late excision and grafting were also analyzed...
  20. ncbi request reprint Validation of the Chinese translated version of ISAAC core questions for atopic eczema
    H H Chan
    Department of Medicine, University of Hong Kong, Hong Kong
    Clin Exp Allergy 31:903-7. 2001
    ..The indication of a low prevalence of atopic eczema among the Chinese population reported in previous studies was at least partially due to problems with the translated questionnaire...
  21. ncbi request reprint The prevalence and risk factors of post-inflammatory hyperpigmentation after fractional resurfacing in Asians
    Henry H L Chan
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong SAR, China
    Lasers Surg Med 39:381-5. 2007
    ..The risk and prevalence of hyperpigmentation in dark-skinned patients using this approach have not been studied...
  22. ncbi request reprint Effective and safe use of lasers, light sources, and radiofrequency devices in the clinical management of Asian patients with selected dermatoses
    Henry H L Chan
    University of Hong Kong, Hong Kong
    Lasers Surg Med 37:179-85. 2005
    ..The use of lasers, light sources, and radiofrequency devices in Asian patients differs from their use in Caucasians in several respects...
  23. ncbi request reprint A control study of the cutaneous side effects of chronic lithium therapy
    H H Chan
    Division of Dermatology, Department of Medicine and Therapeutics, The Chinese University of Hong Kong, 9 F Clinical Science Building, Prince of Wales Hospital, Shatin, Hong Kong
    J Affect Disord 57:107-13. 2000
    ..To assess the nature and prevalence of skin disorders among psychiatric patients on chronic lithium therapy and to compare them with patients on other psychotropic medications...
  24. ncbi request reprint Assault by burning--a reappraisal
    W S Ho
    Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
    Burns 27:471-4. 2001
    ..Assault by fire resulted in larger burn size (P=0.03), more inhalation injury (P<0.001) and longer ICU stay (P=0.02). Although the fire group had a longer hospital stay and higher mortality rate, this was statistically insignificant...
  25. ncbi request reprint Prevalence of respiratory and atopic disorders in Chinese schoolchildren
    G W Wong
    Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
    Clin Exp Allergy 31:1225-31. 2001
    ..Atopic sensitization is an important factor associated with asthma in Chinese children...
  26. ncbi request reprint An animal study of the effects on p16 and PCNA expression of repeated treatment with high-energy laser and intense pulsed light exposure
    Henry H L Chan
    Department of Medicine, University of Hong Kong, Hong Kong
    Lasers Surg Med 39:8-13. 2007
    ..Our objective was to assess the cutaneous effect of repeated exposure to high-energy lasers and intense pulsed light sources on male Institute of Cancer Research (ICR) mice...
  27. doi request reprint Increased arterial stiffness in patients with psoriasis is associated with active systemic inflammation
    K H Yiu
    Division of Cardiology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, China
    Br J Dermatol 164:514-20. 2011
    ..Psoriasis is associated with premature atherosclerosis although the underlying mechanism remains unclear...
  28. doi request reprint The Asian dermatologic patient: review of common pigmentary disorders and cutaneous diseases
    Stephanie G Y Ho
    Department of Medicine, The University of Hong Kong, Hong Kong SAR, China
    Am J Clin Dermatol 10:153-68. 2009
    ..These are effective for rhytide improvement and facial or body contouring. We highlight the differences between Asian skin and other skin types and review conditions common in skin of color together with treatment strategies...
  29. ncbi request reprint A patient with congenital ichthyosis hystrix (disseminated congenital naevus) and acute lymphoblastic leukaemia
    W Y Au
    Department of Medicine, Queen Mary Hospital, University of Hong Kong, 4 F, Professorial Block, Pokfulam Road, Hong Kong, People s Republic of China
    Leuk Lymphoma 44:209-12. 2003
    ..There are four reports of acute leukaemia complicating ichthyosis, all involving paediatric acute lymphoblastic leukaemia. The possible mechanisms involved are discussed...
  30. ncbi request reprint CD30-positive cutaneous T-cell lymphoma with concurrent solid tumour
    W Y Au
    Department of Medicine, University of Hong Kong, Queen Mary Hospital, Pokfulam Road, Hong Kong
    Br J Dermatol 146:1091-5. 2002
    ..In the other patient, lesions regressed spontaneously after bilateral oophorectomy. A possible relationship between the lymphoma and the solid tumours is discussed...
  31. doi request reprint Hair removal with neodymium-doped yttrium aluminum garnet laser and pneumatic skin flattening in Asians
    Chi K Yeung
    Division of Dermatology, Department of Medicine, University of Hong Kong, Hong Kong
    Dermatol Surg 36:1664-70. 2010
    ..Based on the "gate theory" of pain transmission, pneumatic skin flattening (PSF) may reduce pain during laser hair removal...
  32. ncbi request reprint Effect on quality of life in patients with pityriasis rosea: is it associated with rash severity?
    Antonio A T Chuh
    Department of Medicine, University of Hong Kong, and Queen Mary Hospital, Hong Kong
    Int J Dermatol 44:372-7. 2005
    ..It is unknown how the quality of life (QOL) is affected in patients with pityriasis rosea (PR), and whether it is related to rash severity...
  33. ncbi request reprint A community-based epidemiological study of acne vulgaris in Hong Kong adolescents
    Chi Keung Yeung
    Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Pokfulam
    Acta Derm Venereol 82:104-7. 2002
    ..The findings suggest the need for refined educational programmes to ensure that adolescents know what effective treatments are available so that complications can be reduced...
  34. ncbi request reprint Cutaneous adverse effects of lithium: epidemiology and management
    Chi Keung Yeung
    Department of Medicine, University of Hong Kong, Hong Kong
    Am J Clin Dermatol 5:3-8. 2004
    ..Paradoxically, therapeutic effects of topically applied lithium have been noted in seborrheic dermatitis and recurrent herpes infections...
  35. ncbi request reprint A prospective case control study of the association of Gianotti-Crosti syndrome with human herpesvirus 6 and human herpesvirus 7 infections
    Antonio An Tung Chuh
    Department of Medicine, University of Hong Kong and Queen Mary Hospital, Pokfulam, Hong Kong, SAR
    Pediatr Dermatol 19:492-7. 2002
    ..None of the patients had evidence of recent EBV or hepatitis B infection. We conclude that primary HHV-6 infection may be associated with GCS in some infants...