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 Table of Contents  
CASE REPORT
Year : 2015  |  Volume : 4  |  Issue : 3  |  Page : 384-386

Leukemia cutis


1 Department of Pathology, Army College of Medical Sciences and Base Hospital, New Delhi, India
2 Department of Dermatology, Army College of Medical Sciences and Base Hospital, New Delhi, India
3 Department of Pathology, Army Research and Referral Hospital, New Delhi, India

Date of Web Publication13-May-2015

Correspondence Address:
Varuna Mallya
Department of Pathology, Army College of Medical Sciences and Base Hospital, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2278-0513.154266

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  Abstract 

Patients with leukemia may show involvement of the skin. This skin involvement can be due to infiltration of skin by leukemic cells or it may be a part of nonspecific cutaneous manifestations. Leukemia cutis is the infiltration of neoplastic leucocytes or their precursors into the skin resulting in extensive clinical manifestations. Described mostly in acute myeloid leukemia and acute myelocytic monocytic leukemia, it is rare in chronic myeloid leukemia and is seen mostly during the blast crises. Its presence signals poor prognosis.

Keywords: Acute myelomonocytic leukemia, chronic myeloid leukemia, leukemia cutis, Sweet syndrome


How to cite this article:
Mallya V, Sahai K, Arora S, Asthana B. Leukemia cutis. Clin Cancer Investig J 2015;4:384-6

How to cite this URL:
Mallya V, Sahai K, Arora S, Asthana B. Leukemia cutis. Clin Cancer Investig J [serial online] 2015 [cited 2021 May 16];4:384-6. Available from: https://www.ccij-online.org/text.asp?2015/4/3/384/154266


  Introduction Top


Cutaneous involvement in leukemic patients has been described. This skin involvement may be due to infiltration by neoplastic leucocytes or their precursors which is termed as leukemia cutis or it could be as a result of nonspecific inflammatory reactions. Leukemia cutis is seen mostly in association with monocytic, myelomonocytic and T cell leukemias. [1],[2] Rarely, it has been described in chronic myelocytic leukemia (CML) and is mostly seen during the blast transformation of the case. [1],[2] Skin lesions may also represent the first clinical manifestation of this disease accompanied by normal peripheral smear which is termed as aleukemic leukemia. [3] The commonest clinical presentation could range from erythematous or violaceous macules, papules, plaques or nodules. [3] We report a case of cutaneous involvement in a case of CML who was in the accelerated phase (AP).


  Case report Top


A 58-year-old male visited the Dermatology Department with erythematous macules and papules on the face, anterior chest [Figure 1]a, back [Figure 1]b and legs [Figure 1]c. On being questioned he told that he had been diagnosed with CML 2 years back. His bone marrow aspiration (BMA) done at that time was hypercellular with granulocyte hyperplasia. The myelogram was as follows: Blasts - 7%, metamyelocytes - 26%, myelocytes - 27%, band form and polymorphs - 35%, plasma cells - 2%, lymphocytes - 3%. A diagnosis of CML-chronic phase (CML-CP) was made and a bone marrow biopsy was done which was found to show panmyelosis with grade III fibrosis-chronic myeloproliferative disease. The patient was started on imantinib mesylate and was in remission for almost 2 years. Keeping in mind his history a skin biopsy from the lesional site was recommended and a subsequent peripheral smear and BMA was advised. The biopsy on hemotoxylin and eosin showed a diffuse infiltrate of myeloid cells in the dermis with a perivascular and periadenexal predilection [Figure 2]a and b. On immunohistochemistry (IHC) these atypical cells were positive for myeloperoxidase (MPO) [Figure 3]. The peripheral smear showed normocytic normochromic anaemia with thrombocytopenia. Differential leucocyte count revealed 13% blasts. The BMA was hypercellular. Myeloid:erythroid ratio was 10:1. Erythropoesis was normoblastic. No dyserythropoesis was seen. Myeloid series showed a bulge with giant metamyelocytes. The myelogram was as follows: Erythroblasts - 19%, myelocytes - 20%, metamyelocytes - 9%, band forms - 14%, polymorphonuclear neutrophils - 36%, blasts - 12%. Megakaryocytes were seen. A diagnosis of CML-AP [Figure 4] with extensive infiltration of leukemic cells into the skin was made. Patient was advised to take phototherapy along with systemic chemotherapy.
Figure 1: (a) Clinical photograph showing macules and papules on the face and anterior chest wall. (b) Clinical photograph showing macules and papules on the legs. (c) Clinical photograph showing macules and papules on the back

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Figure 2: (a) Phtomicrograph showing atypical cells in the dermis. (H and E, ×40). (b) Photomicrograph highlighting the atypical cells in the dermis with a periadenexal and perivascular prediliction. (H and E, ×100)

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Figure 3: Phtomicrograph showing the atypical lymphoid cells to be positive for myeloperoxidase. (IHC, ×100)

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Figure 4: Photomicrograph showing the bone marrow aspirate of the patient (chronic myeloid leukemia - chronic phase). (Giemsa, ×40)

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  Discussion Top


Leukemia cutis is the infiltration of the skin by malignant leucocytes and their precursors and signals a grave prognosis. Described mostly in acute monocytic, myelomonocytic and T cell leukemias, very few cases have been reported in CML usually in the blast crises and very rarely in the AP. [1],[2],[3] Sometimes skin lesions may be the first clinical manifestation of the disease with a normal peripheral smear. This has been termed as aleukemic leukemia cutis. [1],[2],[3] Our patient was a known case of CML-CP on treatment since 2 years. He presented with erythematous macules and papules on the face, chest, back and legs since 2 weeks. Erythematous macules, papules, plaques and nodules is the most common morphological presentation of leukemia cutis with exanthematous eruptions, purpura, bullae, ulcers, leonine facies, stasis dermatitis being the other clinical presentations. [4] The skin biopsies of such patients shows diffuse infiltration of leukemic cells in the dermis with a perivascular and periadenexal predilection. In our patient a similar picture was obtained on histopathological examination with the atypical cells being positive for MPO on IHC.

Leukemia cutis needs to be distinguished from Sweet syndrome which is a cutaneous paraneoplastic manifestation in patients of hematological malignancies which is characterized by the presence of mature neutrophils in the dermis. [5] We ruled out Sweet syndrome as our case showed extensive infiltration of the dermis with immature granulocytes.

The exact nature of leukemia cutis is still a mystery but chemokine receptor (CCR4) and adhesion molecule (cutaneous lymphocyte associated antigen) probably play a role in the cutaneous tropism of neoplastic leucocytes. [2]

Presence of leukemia cutis indicates a poor prognosis with an average survival of 9.4 months. [6],[7],[8] Our patient succumbed to the disease after 8 months. We reported this case to draw attention of the dermatologists and pathologists towards this entity as it calls for early diagnosis and treatment and the pathologist is quite instrumental to aid the dermatologist in arriving at the correct diagnosis of this entity.

 
  References Top

1.
Ansell JE, Bhawan J, Pechet L. Leukemia cutis in blastic transformation of chronic myelocytic leukemia: TdT positive blasts and response to vincristine and prednisone. J Cutan Pathol 1980;7:302-9.  Back to cited text no. 1
[PUBMED]    
2.
Cho-Vega JH, Medeiros LJ, Prieto VG, Vega F. Leukemia cutis. Am J Clin Pathol 2008;129:130-42.  Back to cited text no. 2
    
3.
Singhal M, Singh S, Kumar R, Raina V. Extensive cutaneous manifestations: Presenting feature of chronic myelocytic leukemia in second blast crisis. Indian J Dermatol 2010;55:265-7.  Back to cited text no. 3
[PUBMED]  Medknow Journal  
4.
Vishalakshi V, Torsekar RG, Shinde S. Aleukemic leukemia cutis. Indian J Dermatol Venereol Leprol 2007;73:109-11.  Back to cited text no. 4
[PUBMED]  Medknow Journal  
5.
Cohen PR, Kurzrock R. Chronic myelogenous leukemia and Sweet syndrome. Am J Hematol 1989;32:134-7.  Back to cited text no. 5
    
6.
Kaddu S, Zenahlik P, Beham-Schmid C, Kerl H, Cerroni L. Specific cutaneous infiltrates in patients with myelogenous leukemia: A clinicopathologic study of 26 patients with assessment of diagnostic criteria. J Am Acad Dermatol 1999;40:966-78.  Back to cited text no. 6
    
7.
Misri R, Khopkar U, Kharkar V, Mahajan S. Different faces of leukemia cutis: Presenting as purpura fulminans and lupus like butterfly rash. Indian J Dermatol Venereol Leprol 2010;76:710-2.  Back to cited text no. 7
[PUBMED]  Medknow Journal  
8.
Kanade US, Birare SD, Gadgil P, Swami SY. A case of chronic myelogenous leukemia cutis: A rare presentation. Indian J Dermatol 2011;56:451-2.  Back to cited text no. 8
[PUBMED]  Medknow Journal  


    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]



 

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