“…A delayed diagnosis was seen in other series, but this is probably more common in less developed countries, since it could depend on medical and socioeconomic aspects, and sarcoidosis may be misdiagnosed as TB. 27,49,[68][69][70] Researchers from the recent GenPhenReSa project stratified patients into five distinct phenotype subgroups according to predominant organ involvement: (1) abdominal organ involvement, (2) ocular-cardiac-cutaneous-central nervous system involvement, (3) musculoskeletal-cutaneous involvement, (4) pulmonary and intrathoracic lymph node involvement, and (5) extrapulmonary involvement. The major phenotype associated with an acute onset is subgroup 3: higher frequencies of fever or subfebrile temperature, night sweats, weight loss, and arthralgia; lower frequencies of lung or bronchial disease; and more frequent involvement of the skin, intrathoracic lymph nodes, and kidneys.…”