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Poland Syndrome Coexisting With Blaschkolinear Congenital Melanocytic Nevi FREE

Thomas Lam, BA1; Yongxue Yao, MD, PhD1; Joanne Trockman, MD1
[+] Author Affiliations
1Department of Dermatology, Indiana University School of Medicine, Indianapolis
JAMA Dermatol. 2014;150(9):1019-1020. doi:10.1001/jamadermatol.2013.9687.
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Published online

Poland syndrome is an uncommon congenital anomaly characterized by unilateral chest wall and upper extremity hypoplasia.1 It is theorized to be due to subclavian artery hypoplasia during embryogenesis.1 There have been only a few isolated reports of Poland syndrome with congenital dermatoses.24 Adding to this association list, we report a case of Poland syndrome with multiple congenital melanocytic nevi (CMN). Additionally, the nevi are in a Blaschkolinear arrangement, which is also rare; we know of only 2 such cases reported previously.5,6

REPORT OF A CASE

An otherwise healthy boy in his teens presented for asymptomatic hyperpigmented birthmarks on his left leg that had grown proportionately to his leg’s growth. His medical history was significant for Poland syndrome, for which he had undergone multiple left-hand reconstruction surgeries. His family history was noncontributory. Physical examination revealed oligodactyly of the left hand, underdeveloped left chest wall (Figure 1A), and multiple, evenly pigmented, bluish-black thin papules and plaques on the left posterior thigh, calf, and ankle in a Blaschkolinear distribution (Figure 1B). A skin biopsy specimen from the left posterior thigh showed characteristics consistent with CMN (Figure 2).

Place holder to copy figure label and caption
Figure 1.
Clinical Images of Patient With Poland Syndrome and Blaschkolinear Congenital Melanocytic Nevi

A, Hypoplasia of the left chest wall and oligodactyly of the left hand. The 2 digits of left hand seen in the photograph were reconstructed from his toes. B, Blaschkolinear distribution of bluish-black thin papules and plaques on his left leg.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Lesional Biopsy Specimen Obtained From the Left Thigh

The photograph shows a junctional nevus with congenital features (hematoxylin-eosin, original magnification ×200).

Graphic Jump Location

DISCUSSION

Poland syndrome, named after the British surgeon Alfred Poland who first described it in 1841, is an uncommon, sporadic, and very rarely inherited birth defect characterized by unilateral chest wall hypoplasia (often right-sided) and ipsilateral hand deformity (most often syn-brachydactyly and less often oligodactyly).1 Poland syndrome affects boys 2 to 3 times as often as girls, with an estimated incidence of 1 in 10 000 to 100 000 live births. Its exact cause remains unclear, but a prevailing theory is hypoplasia of the subclavian artery during the critical sixth week of gestation, which leads to a range of musculoskeletal malformations.1

Poland syndrome has been associated with hematopoietic malignancies such as leukemia and non-Hodgkin lymphoma, as well as other syndromes, including Möbius syndrome (characterized by congenital bilateral facial paralysis with inability to abduct the eyes) and Klippel-Feil syndrome (characterized by congenital fusion of any 2 of the 7 cervical vertebrae).1 In addition to these known associations, a literature review revealed a few isolated cases of Poland syndrome with various congenital dermatologic findings, including recessive X-linked ichthyosis, congenital hemangioma, and café-au-lait spots.24 To our knowledge, our case is the first reported case of Poland syndrome associated with multiple CMN.

A CMN is a benign, clonal proliferation of melanocytes in the epidermal, dermal, or subcutaneous tissue that is present at or shortly after birth, with an estimated prevalence of 0.5% to 31.7%, depending on the study. They are usually solitary, but 3% are multiple, occasionally arranged in a cluster and rarely in a linear distribution. Indeed, only 2 cases of Blaschkolinear CMN have been reported thus far.5,6 Our patient would represent the third such case, and it occurs in a patient with Poland syndrome.

The definite risk of developing melanoma in Blaschkolinear CMN remains unclear because of its rarity. Our patient had no clinical sign of malignant transformation by age 11 years, as in the 2 previously reported cases at age 15 and 28 years. However, long-term close clinical monitoring might be warranted, as in giant CMN.

In summary, we report herein a rare case of Blaschkolinear CMN in a teenager with Poland syndrome. The association between the 2 conditions seems to be coincidental, as in previously reported cases of Poland syndrome with other congenital dermatologic findings.

ARTICLE INFORMATION

Corresponding Author: Yongxue Yao, MD, PhD, Department of Dermatology, Indiana University School of Medicine, 545 Barnhill Dr, EH139, Indianapolis, IN 46202 (yonyao@iupui.edu).

Published Online: July 9, 2014. doi:10.1001/jamadermatol.2013.9687.

Conflict of Interest Disclosures: None reported.

REFERENCES

Fokin  AA, Robicsek  F.  Poland’s syndrome revisited. Ann Thorac Surg. 2002;74(6):2218-2225.
PubMed   |  Link to Article
Vélez  A, Moreno  J.  Poland’s syndrome and recessive X-linked ichthyosis in two brothers. Clin Exp Dermatol. 2000;25(4):308-311.
PubMed   |  Link to Article
Riyaz  N, Riyaz  A.  Poland syndrome (anomaly) with congenital hemangioma: a new association. Indian J Dermatol Venereol Leprol. 2006;72(3):222-223.
PubMed   |  Link to Article
Gocmen  H, Akkas  Y, Doganay  S.  Poland syndrome: rare presentation in two cases. N Z Med J. 2010;123(1321):71-77.
PubMed
Effendy  I, Happle  R.  Linear arrangement of multiple congenital melanocytic nevi. J Am Acad Dermatol. 1992;27(5 Pt 2):853-854.
PubMed   |  Link to Article
Droitcourt  C, Adenis-Lamarre  E, Ezzedine  K, Taïeb  A, Jouary  T.  Blaschkolinear congenital melanocytic nevus. Dermatology. 2009;219(2):182-183.
PubMed   |  Link to Article

Figures

Place holder to copy figure label and caption
Figure 1.
Clinical Images of Patient With Poland Syndrome and Blaschkolinear Congenital Melanocytic Nevi

A, Hypoplasia of the left chest wall and oligodactyly of the left hand. The 2 digits of left hand seen in the photograph were reconstructed from his toes. B, Blaschkolinear distribution of bluish-black thin papules and plaques on his left leg.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Lesional Biopsy Specimen Obtained From the Left Thigh

The photograph shows a junctional nevus with congenital features (hematoxylin-eosin, original magnification ×200).

Graphic Jump Location

Tables

References

Fokin  AA, Robicsek  F.  Poland’s syndrome revisited. Ann Thorac Surg. 2002;74(6):2218-2225.
PubMed   |  Link to Article
Vélez  A, Moreno  J.  Poland’s syndrome and recessive X-linked ichthyosis in two brothers. Clin Exp Dermatol. 2000;25(4):308-311.
PubMed   |  Link to Article
Riyaz  N, Riyaz  A.  Poland syndrome (anomaly) with congenital hemangioma: a new association. Indian J Dermatol Venereol Leprol. 2006;72(3):222-223.
PubMed   |  Link to Article
Gocmen  H, Akkas  Y, Doganay  S.  Poland syndrome: rare presentation in two cases. N Z Med J. 2010;123(1321):71-77.
PubMed
Effendy  I, Happle  R.  Linear arrangement of multiple congenital melanocytic nevi. J Am Acad Dermatol. 1992;27(5 Pt 2):853-854.
PubMed   |  Link to Article
Droitcourt  C, Adenis-Lamarre  E, Ezzedine  K, Taïeb  A, Jouary  T.  Blaschkolinear congenital melanocytic nevus. Dermatology. 2009;219(2):182-183.
PubMed   |  Link to Article

Correspondence

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