Case Report
Extraosseous Multiple Myeloma: Case Report of Presentation in the Lower Extremity Soft Tissues with Literature Review
Table 2
Comprehensive table of extraosseous myeloma lesion distributions.
| Extremities | 44 |
| Arm (skin) | 1 | Buttocks (SQ) | 1 | Fingers | 2 | Forearm | 2 | Gastrocnemius | 1 | Gluteus maximus | 2 | Knee | 1 | Knee (SQ) | 1 | Leg (skin) | 1 | Leg (soft tissue) | 4 | Leg (SQ) | 1 | Lower extremity | 6 | Median nerve | 1 | Shoulder girdle | 2 | Sural nerve | 1 | Thigh | 7 | Thigh (skin) | 1 | Thigh (SQ) | 1 | Toes | 1 | Triceps (SQ) | 1 | Upper extremity | 6 |
| Gastrointestinal | 262 |
| Colon | 11 | Duodenum | 9 | Esophagus | 1 | Gallbladder | 1 | “GI tract NOS” | 45 | “Intra-abdominal lesions” | 8 | Jejunum | 2 | Liver | 67 | Mesentery | 6 | Omentum | 3 | Pancreas | 31 | Pelvic mass | 7 | Peritoneum | 31 | Rectum | 3 | “Small bowel NOS” | 8 | Stomach | 29 |
| GU | 60 |
| Bladder | 5 | Kidney | 26 | Lower urinary tract | 1 | Ovary | 6 | Penis | 1 | Prostate | 1 | Scrotum | 1 | Testicle | 13 | Uterus | 1 | Vagina | 3 | Vulva | 2 |
| CNS, head and neck | 405 |
| Ears | 1 | “Eye or brain” | 41 | “Head and Neck NOS” | 64 | “Intracranial or Head/neck NOS” | 6 | Middle ear | 2 | Parapharyngeal space | 3 | Parotid gland | 15 | Preauricular region | 1 | Pterygoid fossa | 1 | Submandibular gland | 3 | “Submaxillary gland” | 1 | Supraclavicular fossa | 4 | Thyroid | 23 | Conjunctiva | 3 | Eyelid | 5 | Lacrimal gland | 2 | Orbit | 19 | CNS | 196 | Retrobulbar | 15 |
| RES | 164 |
| Lymph node | 141 | Spleen | 23 |
| Skin | 154 |
| Abdomen | 1 | Cheek | 6 | Cutaneous NOS | 130 | Nose | 1 | Scalp | 10 | Sternum | 3 | Within scars | 3 |
| Soft tissue | 357 |
| “Muscle NOS” | 5 | “Old catheter sites” | 1 | “Soft tissue NOS” | 123 | “Surrounding axial skeleton” | 105 | Abdomen | 13 | Adrenal | 9 | Axilla | 2 | Bone marrow biopsy site | 1 | Breast | 28 | Groin | 1 | Hips | 1 | Iliopsoas | 5 | Infratemporal fossa | 1 | Inguinal | 2 | Neck | 9 | Paravertebral | 11 | Periadrenal fat | 1 | Perirenal | 5 | Presacral | 1 | Retroperitoneum | 23 | Subcutaneous NOS | 8 | Trunk | 2 |
| Thoracic | 192 |
| Aorta | 1 | Chest/thoracic wall | 45 | Diaphragm | 1 | Heart | 5 | Lung | 65 | Mediastinum | 18 | Pericardium | 6 | Pleura + pleural effusion | 51 |
| Other NOS | 42 |
| Upper airway | 858 |
| Tongue | 13 | Cricoid | 2 | Epiglottis | 3 | Ethmoid sinus | 16 | False vocal cord | 1 | Gingiva/gums | 24 | Larynx | 47 | Lips | 1 | Maxillary sinus + maxilla + antrum | 61 | “Mouth/pharynx NOS” | 115 | Nares | 5 | Nasal cavity/fossa/mucosa | 56 | Nasal polyp | 1 | Nasal septum | 6 | Nasooropharynx | 2 | Nasopharynx | 103 | Nose | 39 | Oropharynx | 25 | “Palate/gum/maxilla NOS” | 11 | Paranasal sinus + sinus | 37 | Pharynx | 19 | “Respiratory NOS” | 133 | Rhinopharynx | 4 | Sinonasal/nasal sinus | 41 | Soft palate + palate + hard palate | 4 | Sphenoid sinus | 15 | Subglottic | 5 | Supraglottic | 2 | Thyroid cartilage | 7 | Tonsil | 49 | Trachea | 3 | Vocal cords | 4 | “Upper respiratory tract NOS” | 4 |
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