Prominent publications by Naka Kumasaka

KOL Index score: 7694

Subungual melanomas are one of the most common types of malignant melanoma among the Japanese population. Although most pigmented nail streaks are benign and remain unchanged in their color and shape for a long time, rarely are they precursor lesions of subungual melanomas i.e., a rapid growing pigmented nail streak resulting in diffuse melanosis of the nail is thought to be an early stage of subungual melanoma in situ. We found four patients with these changes: three of these patients ...

Known for Subungual Melanoma |  Pigmented Nail |  Early Stage |  Preschool Female |  Remaining Cases
KOL Index score: 7633

The incidence of malignant melanoma is much lower in Japanese than in Caucasians, and the commonest type of melanoma in Japanese is acral lentiginous melanoma (ALM). In contrast to the improved prognosis noted in ALM, it is now of increasing concern that there is a rise in both the frequency and mortality of nodular melanoma. During the 25 years from 1970 to 1994, we observed 190 patients with melanoma, including 62 nodular melanomas and 96 ALM, at the Department of Dermatology, Tohoku ...

Known for Nodular Melanoma |  62 Japanese Patients |  Neoplasms Survival |  Neoplasm Recurrence |  Proportion Stage
KOL Index score: 1172

Systemic measures to control recalcitrant pruritus observed in many patients with chronic renal failure receiving dialysis are generally unsatisfactory. We evaluated the efficacy of treatment of uremic pruritus with longwave ultraviolet irradiation (UVA) in conjunction with topical psoralen application (PUVA) in 13 patients with chronic renal failure and severe pruritus which was not attributed to other skin or internal disease. The patients received 1 to 12 treatments to the entire skin ...

Known for Topical Puva


Naka Kumasaka: Influence Statistics

Sample of concepts for which Naka Kumasaka is among the top experts in the world.
Concept World rank
96 alm #6
stage melanomas treatment #7
62 nodular melanomas #7
nodular melanoma alm #7
tumor hands #7
improved 1982 #7
prognosis nodular melanoma #7
primary tumor hands #7
nodular melanoma japanese #7
improved prognosis alm #7
62 nodular #7
japanese alm #7
proportion nodular melanoma #8
nodular melanoma proportion #9
alm improved #12
melanoma 62 #13
rates nodular #15
1982 treatment #16
62 japanese #21
subungual melanoma situ #22
prognosis alm #23
62 japanese patients #25
prognosis nodular #26
proportion nodular #26
local recurrence prognosis #28
rates 1982 #29
acral regions #32
lentiginous proliferation #35
melanosis nail #41
alm cases #41
melanoma japanese #49
pigmented nail #60

Key People For Nodular Melanoma

Top KOLs in the world
John William Kelly
cutaneous melanoma melanocytic nevi shave biopsy
John F Thompson
melanoma patients node biopsy sentinel lymph
Martin C Mihm
malignant melanoma skin neoplasms clinical stage
Charles M Balch†
melanoma patients surgical oncology lymph node
Alexander J Chamberlain
nodular melanoma earlier detection distinct entity
Alfred W Kopf
malignant melanoma tumor conference basal cell

Naka Kumasaka:Expert Impact

Concepts for whichNaka Kumasakahas direct influence:Nodular melanoma,  Subungual melanoma,  Acral melanoma,  Melanoma situ,  62 japanese patients,  Nodular melanoma alm,  Subungual melanoma situ,  Melanoma japanese.

Naka Kumasaka:KOL impact

Concepts related to the work of other authors for whichfor which Naka Kumasaka has influence:Longitudinal melanonychia,  Malignant melanoma,  Nail apparatus,  Subungual melanocytic lesions,  Melanocytic nevus,  4 cases,  Oral mucosa.



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Department of Dermatology, Tohoku University School of Medicine, Sendai, Japan | Division of Dermatology, Sanuma General Hospital, Hazamacho, Japan | Tohoku University School of Medicine Department of Dermatology Sendai Japan

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