Prominent publications by Hyo Sang Song

KOL Index score: 6624

BACKGROUND/PURPOSE: A relatively long incubation time is needed for photosensitizer absorption in conventional photodynamic therapy (PDT) for actinic keratosis (AK). The use of ablative CO2 fractional lasers (AFXLs) to increase drug delivery could shorten the incubation time. Here, we aimed to compare the efficacy between AFXL-assisted PDT with a short incubation time and conventional PDT for AK.

METHODS: Patients with histopathologically confirmed facial AK were randomly divided into ...

Also Ranks for: Actinic Keratosis |  conventional pdt |  incubation time |  carbon dioxide |  photodynamic therapy
KOL Index score: 5790

Nipple eczema exhibits as a minor manifestation of atopic dermatitis (AD) or occurs as a single skin symptom on the nipple. To characterize the relationship between nipple eczema and AD, a clinical evaluation and an immunohistochemical study were performed. All cases of nipple eczema were confirmed histopathologically. We divided the patients with nipple eczema into 2 groups, namely, those with AD and those without AD, and compared several clinical features. Upon histological ...

Also Ranks for: Nipple Eczema |  atopic dermatitis |  breast diseases
KOL Index score: 5176

BACKGROUND: Topical photodynamic therapy (PDT) has been increasingly used to treat malignant skin tumors including the Bowen disease. However, patients could be displeased with the long incubation time required for conventional PDT.

OBJECTIVE: We evaluated the efficacy and safety of PDT with a short incubation time of ablative CO2 fractional laser pretreatment for treating Bowen disease.

METHODS: Ten patients were included. Just before applying the topical photosensitizer, all lesions ...

Also Ranks for: Bowen Disease |  photodynamic therapy |  fractional laser |  carbon dioxide |  methyl aminolevulinate
KOL Index score: 3821

BACKGROUND: Cutaneous pustular disorders include generalized pustular psoriasis (GPP) and acute generalized exanthematous pustulosis (AGEP).

OBJECTIVE: To identify differences between GPP and AGEP, here we immunohistochemically evaluated interleukin (IL)-36 and the IL-23/Th17 axis.

METHODS: This retrospective comparative immunohistochemical study was completed using 11 biopsies of 11 cases of GPP and 11 biopsies of 11 cases of AGEP. Through staining with the anti-IL-36-alpha (IL-36α), ...

Also Ranks for: Pustular Psoriasis |  exanthematous pustulosis |  acute generalized |  anti il23 |  subcorneal pustules
KOL Index score: 3269

BACKGROUND: Among the various types of folliculitis, differentiation of Malassezia folliculitis (MF) from other forms of folliculitis is important because it is usually treated with antifungal agents.

OBJECTIVE: We attempted to find a method to enhance the detection rate of MF, and examined the differences in the clinical manifestation between MF and non-MF (NMF).

METHODS: We performed a retrospective study involving patients with folliculitis who were previously diagnosed with MF or NMF ...

Also Ranks for: Malassezia Folliculitis |  antifungal agents |  hair follicles |  performed retrospective
KOL Index score: 2401

BACKGROUND: Abnormal wound-healing after thyroidectomy with a resulting scar is a common dermatologic consultation. Despite many medical and surgical approaches, prevention of postoperative scars is challenging.

OBJECTIVE: This study validated the efficacy and safety of low-level light therapy (LLLT) using an 830/590 nm light-emitting diode (LED)-based device for prevention of thyroidectomy scars.

METHODS AND MATERIALS: Thirty-five patients with linear surgical suture lines after ...

Also Ranks for: Light Therapy |  emitting diode |  830 590 |  continental ancestry |  humans low
KOL Index score: 1499

BACKGROUND: Post-inflammatory pigmentary changes after laser treatments are challenging adverse effect.

OBJECTIVE: To suggest an ideal time period with regard to intervention to prevent post-laser pigmentary changes, an in vivo time-sequential histological study focused on melanocytes was performed.

METHODS: The back skin of four volunteers was irradiated with Q-switched alexandrite laser (QSAL). In one subject (subject 4), topical corticosteroid was applied onto the irradiated skin from ...

Also Ranks for: Melanocyte Activation |  laser therapy |  solid state |  post inflammatory
KOL Index score: 437
Also Ranks for: Imatinib Mesylate |  induced hyperpigmentation

Key People For Nipple Eczema

Top KOLs in the world
Amrinder *** ******
lichen planus atopic dermatitis stable vitiligo
Surjit *****
atopic dermatitis minor clinical features frequency significance
Santlipan ****
atopic dermatitis minor clinical features scaling scalp
primary cutaneous cryptococcosis atopic dermatitis minor clinical features
Berti ********
atopic dermatitis pattern distribution unaffected scalp
Chiarini ********
atopic dermatitis pattern distribution unaffected scalp

Hyo Sang Song:Expert Impact

Concepts for whichHyo Sang Songhas direct influence:Nipple eczema,  Bowen disease,  Atopic dermatitis,  Actinic keratosis,  Malassezia folliculitis,  Photodynamic therapy,  Generalized pustular psoriasis,  Conventional pdt.

Hyo Sang Song:KOL impact

Concepts related to the work of other authors for whichfor which Hyo Sang Song has influence:Photodynamic therapy,  Geographic tongue,  Atopic dermatitis,  Generalized pustular psoriasis,  Actinic keratosis,  Laser treatment,  Malassezia folliculitis.



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Department of Dermatology, Ajou University School of Medicine, Suwon, Korea. | Department of Dermatology, Ajou University School of Medicine, Suwon, Republic of Korea. | Department of Dermatology Ajou University School of Medicine Suwon Korea | Depar