Cutaneous leishmaniasis classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Classification
Post kala-azar dermal leishmaniasis
Post kala-azar dermal leishmaniasis(PKDL) is a sequel of Kala-azar that may appear on skin of affected individuals upto 20 years after the being partially treated, untreated or in those considered adequately treated[1][2]. Though any organism causing Kala-zar can lead to PKLD, it is commonly associated with L. donovani which gives different disease patterns in India and Sudan. In Indian variant nodules enlarge with time and form plaques but rarely ulcerate but African variety often ulcerate as they progress. Nerve involvement is common in African variety but rare in Indian subcontinent[3]. Histology demonstrates mixture of chronic inflammatory cells; there can be macrophage or epitheloid granuloma[4]. Parasite concentration is not consistent among studies perhaps reflecting low sensitivity of diagnostic methods used in earlier entries.
Mucocutaneous leishmaniasis
Mucocutaneous leishmaniasis is the most feared form of cutaneous leishmaniasis because it produces destructive and disfiguring lesions of the face. It is most often caused by Leishmania (Viannia) braziliensis, but cases caused by L. aethiopica have also been rarely described.
References
- ↑ Banerjee N (1973). "Role of I.M.A. during natural calamities and national emergencies". Journal of the Indian Medical Association. 61 (11): 477–81. PMID 4600129.
- ↑ Rathi SK, Pandhi RK, Chopra P, Khanna N (2005). "Post-kala-azar dermal leishmaniasis: a histopathological study". Indian journal of dermatology, venereology and leprology. 71 (4): 250–3. PMID 16394433.
- ↑ Salotra P, Singh R (2006). "Challenges in the diagnosis of post kala-azar dermal leishmaniasis". Indian J. Med. Res. 123 (3): 295–310. PMID 16778312.
- ↑ Singh N, Ramesh V, Arora VK, Bhatia A, Kubba A, Ramam M (1998). "Nodular post-kala-azar dermal leishmaniasis: a distinct histopathological entity". J. Cutan. Pathol. 25 (2): 95–9. PMID 9521498.