Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2023 May-Jun;68(3):342-344.
doi: 10.4103/ijd.ijd_533_22.

Subungual Hyperkeratosis as a Dermoscopic Clue of Primary Fingernail Mycobacterium Marinum Infections

Muqiu Zhang  1   2 , Shuang Li  3 , Li Xiong  4 , Yuping Ran  1   2
Affiliations

Subungual Hyperkeratosis as a Dermoscopic Clue of Primary Fingernail Mycobacterium Marinum Infections

Muqiu Zhang et al. Indian J Dermatol. 2023 May-Jun.
No abstract available

PubMed Disclaimer

Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Clinical and dermoscopic findings of the patient infected with Mycobacterium marinum. (a) Multiple disseminated, erythematous, fluctuant nodules distributed in a sporotrichoid pattern on the right upper extremity. (b) Dermoscopic image showing onycholysis, subungual orangish hyperkeratosis surrounded by white scales and fissures of the right index fingernail. (c) After four months, the lesions of the arm were almost healed, leaving residual dark erythema. (d) Advancement of the newly growing nail was observed
Figure 2
Figure 2
Skin biopsy from the proximal forearm. (a) Chronic suppurative inflammation infiltrated with abscess formation. (b) Gomori methenamine silver staining revealed bacilliform substances (arrow, original magnification ×400). (c) Ziehl–Neelsen staining revealed acid-fast bacilli (arrow, original magnification ×400)
Figure 3
Figure 3
Pus culture and Ziehl–Neelsen staining. (a) Culture showed smooth, cream-yellow colonies (Lowenstein–Jensen media, 30°C, two weeks), which was confirmed as M. marinum by PCR-sequence (GenBank Number: OM649761). (b) Ziehl–Neelsen staining of a colony revealed acid-fast bacilli (original magnification ×1000)
See this image and copyright information in PMC

Similar articles

See all similar articles

References

    1. Bonamonte D, Devito D, Vestita M, Delvecchio S, Ranieri LD, Santantonio M, et al. Aquarium-borne Mycobacterium marinum skin infection. Report of 15 cases and review of the literature. Eur J Dermatol. 2013;23:510–6. - PubMed
    1. Tirado-Sánchez A, Bonifaz A. Nodular lymphangitis (sporotrichoid lymphocutaneous infections).Clues to differential diagnosis. J Fungi (Basel) 2018;4:56. - PMC - PubMed
    1. Bosamiya SS, Vaishnani JB, Momin AM. Sporotrichoid nocardiosis with cutaneous dissemination. Indian J Dermatol Venereol Leprol. 2011;77:535. - PubMed
    1. Laynez-Roldán P, Fuertes I, Almuedo A, Losada I, Giavedoni P, Camprubí D, et al. Sporotrichoid dissemination of cutaneous leishmaniasis possibly triggered by a diagnostic puncture? J Travel Med. 2020;27:taz044. doi: 10.1093/jtm/taz044. - PubMed
    1. Warren KJ, Fairley JA. Pain and swelling along the nail fold of a 51-year-old man. Dermatol Online J. 1998;4:1. - PubMed

LinkOut - more resources