References | # | Age (years) and sex | Location | Gross features | Microscopic features | IHC features of spindle cells |
---|---|---|---|---|---|---|
Patchefsky et al. 1981 [1] | 17 | 20.5 (range from 0.5 to 57), 8 F and 9 M | Head and neck (n = 5) | 1.5 cm* (range from 0.6 to 5), single, firm, non-tender, immobile mass | Feathery, edematous, myxoid, and hyalinized background, giant cells present in 1/3 cases | N/A |
Upper extremity (n = 7) | ||||||
Trunk (n = 2) | ||||||
Lower extremity (n = 3) | ||||||
Freedman et al. 1986 [3] | 2 | 19, M | Right posterior mucobuccal fold | 2.5 cm, single, firm mass with ulcer | Myxoid and highly vascular background with rare mitotic figures | N/A |
53, M | Left buccal mucosa | 2.0 cm, single, firm, immobile mass | Myxoid and locally hyalinized background, no mitotic figures present | N/A | ||
Kahn et al. 1987 [4] | 1 | 20, F | Left lower labial mucosa | 1.5 cm, single, firm, immobile mass | Myxoid and highly vascular background, giant cells and mitotic figures present | N/A |
Price et al. 1993 [5] | 2 | 17, M | Outer canthus of right eye | 2.0 cm, single mass | Myxoid background, giant cells and mitotic figures (Less than 1/HPF) present | N/A |
20, M | Subcutis adjacent to eye and beneath orbicularis oculi | 1.0 cm, single, firm, non-tender, mobile mass | Myxoid background, giant cells and mitotic figures (Less than 1/HPF) present | N/A | ||
Samaratunga et al. 1996 [2] | 1 | 49, M | Left inguinal region | 3.0 cm, single, firm, non-tender mass | Myxoid background with cleft-like spaces, giant cells and mitotic figures (2/10 HPF) present | (+) Vimentin, SMA |
(-) LMWK, S100 | ||||||
Beer et al. 1996 [6] | 1 | 18, F | Lateral thigh | 2.0 cm, single, tender, mobile mass | Focally myxoid and highly vascular background, mitosis present | (-) SMA, S100 |
Sticha et al. 1997 [7] | 1 | 4, M | Plantar aspect of right foot | 3.0 cm, single, firm, tender, immobile mass | Myxomatous and hyalinized background, giant cell and mitosis present | N/A |
Ito et al. 1999 [8] | 1 | 26, M | Flexor side of right forearm | Single, tender mass | Fibrous and vascular background, giant cells and mitotic figures (up to 1/10 HPF) present | (+) Vimentin, SMA |
(-) Desmin | ||||||
Anand et al. 2007 [9] | 1 | 20, F | Hypothenar eminence of right hand | 3.0 cm, single, firm, non-tender, mobile mass | Fibrous background, giant cells and mitotic figures present | (+) SMA |
(-) S100, desmin | ||||||
Sugaya et al. 2007 [10] | 1 | 66, M | Medial border of right foot | 0.3 cm, single, non-tender, mobile mass | Myxoid background, no giant cells present, rare mitotic figures | (+) Vimentin |
(-) SMA, cytokeratin, S100, desmin, CD31, CD34, c-kit | ||||||
Pantanowitz et al. 2008 [11] | 1 | 17, M | Wrist | 1.2 cm, single mass | N/A | N/A |
Wang et al. 2009 [12] | 1 | 28, F | Left leg | Multiple, firm, non-tender masses | Myxoid background, no giant cells or mitotic figures present | (+) Vimentin, SMA |
(-) Ketatin, S100, desmin | ||||||
Chi et al. 2012 [13] | 1 | 20, F | Upper lip | 0.5 cm, single, firm, non-tender, mobile mass | Giant cells and mitotic figures (11/10 HPF) present | (+) SMA |
(-) S100 | ||||||
Reiser et al. 2012 [14] | 1 | 58, F | Right cheek | 1.7 cm, single mass | Focally myxoid and highly vascular background, no giant cells present, rare mitotic figures | (+) SMA |
Focal (+) Bcl-2 | ||||||
(-) Pankeratin, S100, desmin, EMA | ||||||
Current case, 2013 | 1 | 21, F | Flank | 0.5 cm, single mass | Fibrous background, giant cells present with no mitotic figures | (+) SMA |
Focal (+) muscle specific actin | ||||||
(-) S100 |