Acquired smooth muscle hamartoma of foot: A rare entity

Desai, Chirag; Sheth, Palak; Patil, Sharmila

doi:10.4103/idoj.idoj_392_16

Cited by 4 publications

(7 citation statements)

References 5 publications

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“…In addition, reported sites for ASMH include the scalp, upper extremity (upper arm, forearm and shoulder), chest and genitalia (scrotum, penis and labia majora). Our patient did not align with this trend: while two ASMHs have been previously reported in the foot, 3,4 our patient is the first reported case of ASMH in the shin.…”

Section: Discussioncontrasting

confidence: 78%

Acquired smooth muscle hamartoma: A case report on the lower extremity with hidrosis

Ladha

Remington

2019

SAGE Open Medical Case Reports

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Smooth muscle hamartomas are benign dermal proliferations of smooth muscle cells. Smooth muscle hamartomas are sub-divided into congenital or acquired; the latter is a rare entity with less than 20 cases being reported in the English literature. Most often asymptomatic, acquired smooth muscle hamartomas follow an indolent course. Treatment in the form of surgical excision can be utilized for symptomatic or cosmetic purposes. Here, we report the first case of an acquired smooth muscle hamartomas of the shin which also uniquely presented with hidrosis. This case highlights the varied clinical spectrum of acquired smooth muscle hamartomas.

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Section: Discussioncontrasting

confidence: 78%

Acquired smooth muscle hamartoma: A case report on the lower extremity with hidrosis

Ladha

Remington

2019

SAGE Open Medical Case Reports

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“…Although the etiopathogenesis of the SMH remains unclear, cases can be divided into two groups: congenital 1,5,9,10,16‐24 and acquired SMH 2‐4,6‐8,11,12,15,25‐32 . Eleven of our cases (41%) presented as a congenital lesion, most commonly located on the torso and lower extremity (six cases, 55%) followed by the upper extremity (two cases, 18%) and the head and neck area (two cases, 18%), and one case (9%) was located on the penile shaft.…”

Section: Discussionmentioning

confidence: 88%

“…Although the etiopathogenesis of the SMH remains unclear, cases can be divided into two groups: congenital 1,5,9,10,16-24 and acquired SMH. [2][3][4][6][7][8]11,12,15,[25][26][27][28][29][30][31][32] Eleven of our cases (41%) presented as a congenital lesion, most commonly located on the torso and lower extremity (six cases, 55%) followed by the upper extremity (two cases, 18%) and the head and neck area (two cases, 18%), and one case (9%) was located on the penile shaft. Similarly, acquired cases were also more commonly located on the torso and lower extremity (eight cases, 50%) followed by the head and neck region (three cases, 19%), the upper extremity (three cases, 19%) and the external genitalia (vulva and penile shaft) (two cases, 13%).…”

Section: Striated Muscle Hamartomamentioning

confidence: 99%

“…Smooth muscle hamartoma (SMH) exists to date in limited case reports in the English literature with the largest case series documenting six congenital SMH 1 . For many years, smooth muscle hamartomas have been described in association with Becker nevus, but there are examples without this association 1‐12 . Similar to smooth muscle hamartoma, its benign counterpart of striated muscle is referred to as striated muscle hamartoma (STH) or rhabdomyomatous mesenchymal hamartoma 13 .…”

Section: Introductionmentioning

confidence: 99%

“…Becker nevus, but there are examples without this association. [1][2][3][4][5][6][7][8][9][10][11][12] Similar to smooth muscle hamartoma, its benign counterpart of striated muscle is referred to as striated muscle hamartoma (STH) or rhabdomyomatous mesenchymal hamartoma. 13 The rarity of the latter is also highlighted by the fact that there are only a limited number of case reports and the largest cases series to date consisted of 5 cases.…”

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confidence: 99%

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Smooth muscle hamartoma and striated muscle hamartoma: Clinicopathologic characterization of two rare entities and literature review

González

Dehner

2020

J Cutan Pathol

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Smooth muscle hamartoma (SMH) and striated muscle hamartoma (STH) are anomalous proliferations of smooth muscle or striated muscle, respectively, in anatomic sites where these tissues are normally present. To date, only limited cases have been reported describing these lesions. In this study, we sought to characterize the clinicopathologic features of both SMH and STH. A total of 27 cases of SMH and 12 cases of STH from 1990 to 2020 were identified. SMH cases had a slight male predominance (63%) and a mean age of presentation of 20 years (range: 4 months‐91 years), with a mean size of 9.3 mm (±13.3). In contrast, STH were equally distributed in gender, with a mean age of presentation of 40 years (range: 3 months‐66 years) and a mean size of 5.7 mm (±3.6). SMH were more commonly located in the torso and extremities (70%) and STH in the head and neck area (92%). One case of SMH recurred after 1.1 years and in the initial diagnosis the lesion was present at the tissue edge. None of the cases of STH had a recurrence. We present the largest cohort of SMH and STH, and report the first case of a recurrent SMH, suggesting the importance of obtaining a clean margin for these lesions.

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