.png) Click on the pictures to magnify and display the legends
 Click on the pictures to magnify and display the legends| Case number: | 111 | 
| Age: | 69 | 
| Clinical presentation: | Postmenopausal woman with average risk of developing breast cancer presented with a painful lump in her right breast. On clinical examination, she was found to have a large hard lump in the upper quadrant of her right breast with ulceration of the overlying skin. | 
| Breast composition: | ACR category b (there are scattered areas of fibroglandular density) | Mammography features: | 
| ‣ Location of the lesion: | Right breast, upper outer quadrant at 11 o’clock, anterior, middle, and posterior thirds | 
| ‣ Mass: | |
| • Number: | 1 | 
| • Size: | 7.2 × 4.7 × 5.3 cm | 
| • Shape: | Irregular | 
| • Margins: | Microlobulated | 
| • Density: | High | 
| ‣ Calcifications: | |
| • Typically benign: | Coarse heterogeneous | 
| • Suspicious: | None | 
| • Distribution: | None | 
| ‣ Architectural distortion: | None | 
| ‣ Asymmetry: | None | 
| ‣ Intramammary node: | Reactive | 
| ‣ Skin lesion: | None | 
| ‣ Solitary dilated duct: | None | 
| ‣ Associated features: | Skin retraction, coarse calcification, and axillary adenopathy | 
| Ultrasound features: Right breast, upper outer quadrant at 11 o‘clock | |
| ‣ Mass | |
| • Location: | Right breast, upper outer quadrant at 11 o‘clock | 
| • Number: | 1 | 
| • Size: | > 5.0 cm in greatest dimension | 
| • Shape: | Irregular | 
| • Orientation: | Not parallel | 
| • Margins: | Angular | 
| • Echo pattern: | Hypoechoic | 
| • Posterior features: | Posterior shadowing | 
| ‣ Calcifications: | Coarse calcifications in mass | 
| ‣ Associated features: | Skin retraction and thickening, and metastatic axillary lymphadenopathy | 
| ‣ Special cases: | None | 
| Histopathology features: | |
| ‣ Specimen type: | MRM | 
| ‣ Laterality: | Right | 
| ‣ Macroscopy: | On serial sectioning, a firm to hard, greyish white, well-circumscribed tumour is identified (4.5 × 4.0 × 3.5 cm) in the upper outer quadrant. Overlying skin shows an ulcerated indurated area (4.0 × 3.0 cm). The remaining breast tissue is unremarkable | 
| ‣ Histological type: | Invasive carcinoma of no special type | 
| ‣ Histological grade: | Grade 2 (2 + 2 + 1 = 5) | 
| ‣ Mitosis: | 8 | 
| ‣ Maximum invasive tumour size: | 4.5 cm in greatest dimension | 
| ‣ Lymph node status: | 1/23 | 
| ‣ Peritumoural lymphovascular invasion: | Not identified | 
| ‣ DCIS/EIC: | Not identified | 
| ‣ Margins: | Skin ulceration and oedema | 
| ‣ Pathological stage: | pT4bN1 | 
| ‣ Biomarkers: | |
| ‣ Comments: | Areas of calcification and ossification seen within the tumour | 
| Postmenopausal woman presented with right breast lump with ulcerated skin. Diagnosed as right breast carcinoma with coarse calcifications within and overlying skin ulceration and thickening, BI-RADS 5 on imaging, as right breast carcinoma on cytology, and as invasive breast carcinoma of no special type, pT4bN1 on histopathology. | 
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